Lisa Keith is the President and Co-Owner of TMTC and the daughter of the company’s founder, Sheri L. Parrack. At just 14 years old, Lisa began helping her mother with the business, driven by a passion for TMTC that only grew stronger over the years. After receiving her driver’s license, she eagerly supported her mother after school, marking the beginning of her lifelong commitment to the company. In 2013, Lisa became Sheri’s business partner and co-owner of TMTC, a milestone she considers one of her greatest professional achievements.

With a strong commitment to her mother’s values, Lisa leads TMTC with a “customer-comes-first” mindset, exemplifying the company’s well-known reputation of integrity and excellence. She is deeply proud of the collaborative and family-oriented culture at TMTC, which she fosters through her leadership. Working alongside her daughter, Kristine, Lisa views their business partnership as one of the most fulfilling aspects of her career. She values the relationships she has built with her staff, considering them an extension of her own family.

Outside of work, Lisa is an adventurer who is passionate about experiencing the world. She has taken a hot air balloon ride over a South African game reserve and enjoys the beauty of tornadoes, even considering herself a potential storm chaser. Her compassion extends to all living creatures; she believes that even a roach should not suffer unnecessarily.

Lisa cherishes spending time with her family, particularly her three grandchildren, and relishes family meals, outings, and vacations. In addition to her love for family time, she enjoys attending music events, scrapbooking, and creating unique gifts made from vintage jewelry. Looking ahead, Lisa hopes to explore new countries, take a long-distance train journey through mountainous states, and attend the Albuquerque Hot Air Balloon Festival.

Lisa Keith is the President and Co-Owner of TMTC and the daughter of the company’s founder, Sheri L. Parrack. At just 14 years old, Lisa began helping her mother with the business, driven by a passion for TMTC that only grew stronger over the years. After receiving her driver’s license, she eagerly supported her mother after school, marking the beginning of her lifelong commitment to the company. In 2013, Lisa became Sheri’s business partner and co-owner of TMTC, a milestone she considers one of her greatest professional achievements.

With a strong commitment to her mother’s values, Lisa leads TMTC with a “customer-comes-first” mindset, exemplifying the company’s well-known reputation of integrity and excellence. She is deeply proud of the collaborative and family-oriented culture at TMTC, which she fosters through her leadership. Working alongside her daughter, Kristine, Lisa views their business partnership as one of the most fulfilling aspects of her career. She values the relationships she has built with her staff, considering them an extension of her own family.

Outside of work, Lisa is an adventurer who is passionate about experiencing the world. She has taken a hot air balloon ride over a South African game reserve and enjoys the beauty of tornadoes, even considering herself a potential storm chaser. Her compassion extends to all living creatures; she believes that even a roach should not suffer unnecessarily.

Lisa cherishes spending time with her family, particularly her three grandchildren, and relishes family meals, outings, and vacations. In addition to her love for family time, she enjoys attending music events, scrapbooking, and creating unique gifts made from vintage jewelry. Looking ahead, Lisa hopes to explore new countries, take a long-distance train journey through mountainous states, and attend the Albuquerque Hot Air Balloon Festival.

Denise is a Senior Account Specialist at TMTC, celebrating an impressive 41 years of dedicated service in March 2025. As the longest-serving team member, Denise has played a pivotal role in shaping the company’s success and operational excellence. Founder Sheri L. Parrack once described Denise as essential to creating the “well-oiled machine” that TMTC has become, and her contributions continue to drive the company’s high standards of service and efficiency.

Denise’s deep expertise in the transportation industry is unparalleled. She is highly skilled in a broad range of areas, including title work, permits, tax reporting, fleet management, and staff training. Her ability to effectively communicate with clients and colleagues has earned her a reputation for reliability and professionalism. Denise’s unwavering dedication to excellence and proactive approach have made her an irreplaceable asset to TMTC.

In addition to her professional expertise, Denise is known for spoiling the team with her amazing cooking. She frequently treats everyone to delicious homemade meals that brighten the office atmosphere. Her generosity and thoughtfulness are felt by all.

Outside of work, Denise is a passionate advocate for community service and a devoted animal lover. To celebrate her 40th anniversary with TMTC, she fulfilled a bucket list dream by taking a scenic Alaskan cruise, where she enjoyed the stunning landscapes and natural beauty of the region. Her work ethic and generous spirit continue to inspire those around her.

Denise is a Senior Account Specialist at TMTC, celebrating an impressive 41 years of dedicated service in March 2025. As the longest-serving team member, Denise has played a pivotal role in shaping the company’s success and operational excellence. Founder Sheri L. Parrack once described Denise as essential to creating the “well-oiled machine” that TMTC has become, and her contributions continue to drive the company’s high standards of service and efficiency.

Denise’s deep expertise in the transportation industry is unparalleled. She is highly skilled in a broad range of areas, including title work, permits, tax reporting, fleet management, and staff training. Her ability to effectively communicate with clients and colleagues has earned her a reputation for reliability and professionalism. Denise’s unwavering dedication to excellence and proactive approach have made her an irreplaceable asset to TMTC.

In addition to her professional expertise, Denise is known for spoiling the team with her amazing cooking. She frequently treats everyone to delicious homemade meals that brighten the office atmosphere. Her generosity and thoughtfulness are felt by all.

Outside of work, Denise is a passionate advocate for community service and a devoted animal lover. To celebrate her 40th anniversary with TMTC, she fulfilled a bucket list dream by taking a scenic Alaskan cruise, where she enjoyed the stunning landscapes and natural beauty of the region. Her work ethic and generous spirit continue to inspire those around her.

Gina is an Account Specialist and Office Manager at TMTC, celebrating 35 years of exceptional service in December 2024. Throughout her distinguished career, Gina has consistently demonstrated unwavering dedication to client satisfaction, earning her the loyalty and admiration of clients and colleagues. TMTC’s glowing online reviews frequently highlight her expertise, underscoring her critical role in ensuring smooth and efficient operations within the transportation industry.

Gina’s remarkable ability to multitask allows her to manage client-facing responsibilities while seamlessly overseeing the day-to-day office operations. Her extensive skill set encompasses title work, permits, tax reporting, fleet management, and staff training, making her an invaluable asset to TMTC. Additionally, Gina is bilingual, enabling her to effectively serve a wider range of clients and enhance communication within the team.

Her reputation for delivering outstanding service is matched only by her warm, approachable demeanor. She is known for her exceptional work ethic, attention to detail, and her natural ability to make others feel supported and valued. She is an asset to the team and a true example of the spirit and values that define TMTC.

Outside of work, Gina is passionate about reading, baking, and watching True Crime series. She is also deeply committed to giving back to her community, frequently volunteering her time to help those in need. Looking ahead, Gina dreams of exploring Japan, Spain, Paris, Greece, and Scotland—destinations she has long wished to visit.

Gina is an Account Specialist and Office Manager at TMTC, celebrating 35 years of exceptional service in December 2024. Throughout her distinguished career, Gina has consistently demonstrated unwavering dedication to client satisfaction, earning her the loyalty and admiration of clients and colleagues. TMTC’s glowing online reviews frequently highlight her expertise, underscoring her critical role in ensuring smooth and efficient operations within the transportation industry.

Gina’s remarkable ability to multitask allows her to manage client-facing responsibilities while seamlessly overseeing the day-to-day office operations. Her extensive skill set encompasses title work, permits, tax reporting, fleet management, and staff training, making her an invaluable asset to TMTC. Additionally, Gina is bilingual, enabling her to effectively serve a wider range of clients and enhance communication within the team.

Her reputation for delivering outstanding service is matched only by her warm, approachable demeanor. She is known for her exceptional work ethic, attention to detail, and her natural ability to make others feel supported and valued. She is an asset to the team and a true example of the spirit and values that define TMTC.

Outside of work, Gina is passionate about reading, baking, and watching True Crime series. She is also deeply committed to giving back to her community, frequently volunteering her time to help those in need. Looking ahead, Gina dreams of exploring Japan, Spain, Paris, Greece, and Scotland—destinations she has long wished to visit.

Diane celebrated her 27th anniversary with TMTC in January 2025 as the company’s Fleet Auditor. Diane is known for her positive attitude and strong belief in living life to the fullest. She is highly organized, hardworking, and a true people person, qualities that have contributed to her success at TMTC.

Diane manages all aspects of TMTC’s Record Management Clients and is responsible for processing mileage and quarterly tax reports, ensuring the company’s operations run smoothly. Her attention to detail and commitment to excellence make her a key team member.

Outside of her role at TMTC, Diane enjoys walking outdoors and cherishing time with her family, particularly her grandson. She is also deeply passionate about giving back to the community, dedicating her time to American Diabetes fundraising and volunteering at animal shelters. Looking ahead, Diane plans to travel to Europe and continue devoting time to charitable causes that are close to her heart.

Diane celebrated her 27th anniversary with TMTC in January 2025 as the company’s Fleet Auditor. Diane is known for her positive attitude and strong belief in living life to the fullest. She is highly organized, hardworking, and a true people person, qualities that have contributed to her success at TMTC.

Diane manages all aspects of TMTC’s Record Management Clients and is responsible for processing mileage and quarterly tax reports, ensuring the company’s operations run smoothly. Her attention to detail and commitment to excellence make her a key team member.

Outside of her role at TMTC, Diane enjoys walking outdoors and cherishing time with her family, particularly her grandson. She is also deeply passionate about giving back to the community, dedicating her time to American Diabetes fundraising and volunteering at animal shelters. Looking ahead, Diane plans to travel to Europe and continue devoting time to charitable causes that are close to her heart.

Susan is the Senior Title Administrator at TMTC, celebrating 26 years of dedicated service in July 2025. Before joining TMTC, she served as an Assistant Supervisor at the Harris County Tax Office, bringing a wealth of knowledge and experience to the team. Fortunately, she chose to bring her expertise to TMTC, where her skills have become an integral part of our operations.

Meticulous and detail-oriented, Susan excels in all aspects of title work, frequently sharing her extensive knowledge with governing agencies as they process TMTC’s applications. Her unwavering dependability and exceptional work ethic make her a constant and reliable presence in the office. Susan consistently goes above and beyond to ensure that every client’s needs are met with the highest level of service.

Her dedication to providing timely, accurate, and seamless results has earned her the trust and respect of both her colleagues and clients alike.

Beyond her professional expertise, Susan’s baking is a beloved highlight in the office. Whether for a birthday celebration or just as a special treat, Susan’s desserts never fail to impress. Her homemade cakes are a favorite among the staff, and she’s known for brightening the office with her delicious creations, making every celebration even sweeter.

Outside of work, Susan enjoys spending quality time with her family and friends, especially her beloved grandson.

Susan is the Senior Title Administrator at TMTC, celebrating 26 years of dedicated service in July 2025. Before joining TMTC, she served as an Assistant Supervisor at the Harris County Tax Office, bringing a wealth of knowledge and experience to the team. Fortunately, she chose to bring her expertise to TMTC, where her skills have become an integral part of our operations.

Meticulous and detail-oriented, Susan excels in all aspects of title work, frequently sharing her extensive knowledge with governing agencies as they process TMTC’s applications. Her unwavering dependability and exceptional work ethic make her a constant and reliable presence in the office. Susan consistently goes above and beyond to ensure that every client’s needs are met with the highest level of service.

Her dedication to providing timely, accurate, and seamless results has earned her the trust and respect of both her colleagues and clients alike.

Beyond her professional expertise, Susan’s baking is a beloved highlight in the office. Whether for a birthday celebration or just as a special treat, Susan’s desserts never fail to impress. Her homemade cakes are a favorite among the staff, and she’s known for brightening the office with her delicious creations, making every celebration even sweeter.

Outside of work, Susan enjoys spending quality time with her family and friends, especially her beloved grandson.

Fleet and Title Administrator, TMTC
Karen is the Fleet and Title Administrator at TMTC, celebrating 21 years of dedicated service. Initially employed from 1999 to 2006, Karen returned to TMTC in February 2011 after spending five years living out of state.

With a diverse background, Karen’s prior experience includes working in retail, specializing in western wear, and serving as a Correctional Officer. Known for her exceptional work ethic, Karen consistently goes above and beyond to assist both her colleagues and clients. She is meticulous in her attention to detail, ensuring every task is completed thoroughly and accurately. Karen is a true team player, always willing to lend a helping hand and ensure the success of those around her. Her kind and supportive nature makes her an invaluable member of the TMTC family.
Karen’s “family-first” attitude aligns perfectly with the culture at TMTC, and she thrives in this collaborative, positive environment. Her ability to work seamlessly with others and contribute to team goals is just one of the many reasons she is so appreciated at TMTC.

Outside of her role at TMTC, Karen enjoys spending quality time with her large family, including her six grandchildren. She is passionate about the outdoors and deeply loves animals, especially her horses. Karen looks forward to visiting Yellowstone National Park and dreams of attending the Kentucky Derby and the Calgary Stampede Rodeo in the future.

Fleet and Title Administrator, TMTC
Karen is the Fleet and Title Administrator at TMTC, celebrating 21 years of dedicated service. Initially employed from 1999 to 2006, Karen returned to TMTC in February 2011 after spending five years living out of state.

With a diverse background, Karen’s prior experience includes working in retail, specializing in western wear, and serving as a Correctional Officer. Known for her exceptional work ethic, Karen consistently goes above and beyond to assist both her colleagues and clients. She is meticulous in her attention to detail, ensuring every task is completed thoroughly and accurately. Karen is a true team player, always willing to lend a helping hand and ensure the success of those around her. Her kind and supportive nature makes her an invaluable member of the TMTC family.
Karen’s “family-first” attitude aligns perfectly with the culture at TMTC, and she thrives in this collaborative, positive environment. Her ability to work seamlessly with others and contribute to team goals is just one of the many reasons she is so appreciated at TMTC.

Outside of her role at TMTC, Karen enjoys spending quality time with her large family, including her six grandchildren. She is passionate about the outdoors and deeply loves animals, especially her horses. Karen looks forward to visiting Yellowstone National Park and dreams of attending the Kentucky Derby and the Calgary Stampede Rodeo in the future.

Carrie is our DMV Courier and Title Administrator. In October 2025, she will celebrate 14 years of dedicated service with TMTC. Before joining the team, Carrie worked as a medical assistant, bringing valuable experience and a caring approach to her current role.

Carrie represents TMTC through daily trips to the DMV, where she processes multiple applications for our clients. While navigating the DMV’s long lines and ever-evolving regulations is a challenge many would shy away from, Carrie approaches it with determination, ensuring our clients receive the best service possible. When not at the DMV, Carrie’s friendly, approachable demeanor is always present in the office, where she excels in customer service, communication, and offering support to everyone around her.

Carrie is proud to be part of TMTC, describing the company as a “family” where every team member works together to achieve success. Outside of work, Carrie enjoys reading, cooking, and spending quality time with her family. She also dreams of traveling to Vietnam and visiting Graceland one day.

Carrie is our DMV Courier and Title Administrator. In October 2025, she will celebrate 14 years of dedicated service with TMTC. Before joining the team, Carrie worked as a medical assistant, bringing valuable experience and a caring approach to her current role.

Carrie represents TMTC through daily trips to the DMV, where she processes multiple applications for our clients. While navigating the DMV’s long lines and ever-evolving regulations is a challenge many would shy away from, Carrie approaches it with determination, ensuring our clients receive the best service possible. When not at the DMV, Carrie’s friendly, approachable demeanor is always present in the office, where she excels in customer service, communication, and offering support to everyone around her.

Carrie is proud to be part of TMTC, describing the company as a “family” where every team member works together to achieve success. Outside of work, Carrie enjoys reading, cooking, and spending quality time with her family. She also dreams of traveling to Vietnam and visiting Graceland one day.

April joined TMTC in April 2016 and is approaching her 10th anniversary with the company. Over the years, she has excelled in several key roles, including Receptionist, Fleet Auditor, Title Administrator, and currently, Account Administrator. Prior to joining TMTC, April worked at a residential title company, bringing valuable experience that has contributed to her success at TMTC.

April is known for her flexibility, hard work, and dedication in every position she’s held. She is also highly regarded for her exceptional customer service, consistently going above and beyond to support clients and build strong relationships. April’s attention to detail and proactive approach ensure that all client needs are met with efficiency and care. She shares, “TMTC is family-oriented, with a caring staff always checking in on one another,” reflecting the supportive environment she values deeply.

She is excited to be expecting her first child in July of this year and looks forward to this new chapter in her life. April continues to be a dedicated and reliable presence at TMTC, balancing her work and preparing for her new role as a mom.

Fun facts about April: She was born in Chicago and played the violin for ten years! Outside of work, April enjoys working out, reading, and spending time with her dog and family. One of her future goals is to take a road trip across the United States.

April joined TMTC in April 2016 and is approaching her 10th anniversary with the company. Over the years, she has excelled in several key roles, including Receptionist, Fleet Auditor, Title Administrator, and currently, Account Administrator. Prior to joining TMTC, April worked at a residential title company, bringing valuable experience that has contributed to her success at TMTC.

April is known for her flexibility, hard work, and dedication in every position she’s held. She is also highly regarded for her exceptional customer service, consistently going above and beyond to support clients and build strong relationships. April’s attention to detail and proactive approach ensure that all client needs are met with efficiency and care. She shares, “TMTC is family-oriented, with a caring staff always checking in on one another,” reflecting the supportive environment she values deeply.

She is excited to be expecting her first child in July of this year and looks forward to this new chapter in her life. April continues to be a dedicated and reliable presence at TMTC, balancing her work and preparing for her new role as a mom.

Fun facts about April: She was born in Chicago and played the violin for ten years! Outside of work, April enjoys working out, reading, and spending time with her dog and family. One of her future goals is to take a road trip across the United States.

Gail joined TMTC in April 2017 and serves as Fleet Administrator. Prior to joining TMTC, Gail spent 19 years working in the television industry, bringing a unique perspective and strong work ethic to her role.

Known for her integrity, loyalty, dependability, and passion, Gail consistently delivers exceptional results in every task she undertakes. She is meticulous with details, ensuring that every aspect of her work is executed to the highest standard. Gail is also highly regarded for her positive attitude and ability to find solutions, even in challenging situations. Often described as the heart of the team, she brings a great sense of humor and the ability to uplift those around her. Gail shares, “TMTC is not just a team of coworkers; we’re a family.”

Outside of her professional life, Gail enjoys bird watching, hand-feeding squirrels, fishing, and dancing. A talented salsa dancer, she dreams of visiting Greece, Sicily, and Paris in the future.

Gail joined TMTC in April 2017 and serves as Fleet Administrator. Prior to joining TMTC, Gail spent 19 years working in the television industry, bringing a unique perspective and strong work ethic to her role.

Known for her integrity, loyalty, dependability, and passion, Gail consistently delivers exceptional results in every task she undertakes. She is meticulous with details, ensuring that every aspect of her work is executed to the highest standard. Gail is also highly regarded for her positive attitude and ability to find solutions, even in challenging situations. Often described as the heart of the team, she brings a great sense of humor and the ability to uplift those around her. Gail shares, “TMTC is not just a team of coworkers; we’re a family.”

Outside of her professional life, Gail enjoys bird watching, hand-feeding squirrels, fishing, and dancing. A talented salsa dancer, she dreams of visiting Greece, Sicily, and Paris in the future.

Nallely joined TMTC in November 2023 and has become an invaluable team member. Known for her warm smile, she is often the first point of contact when entering our office. Nallely, or “Nelly” as she is affectionately called, serves as our Administrative Assistant and Title Administrator.

Her enthusiasm for learning, strong work ethic, and helpful nature have significantly impacted the office. Nallely is always willing to assist her colleagues, offering support wherever needed. Whether it’s managing administrative tasks or stepping in to help with various projects, she has proven to be an indispensable team player. Nallely greatly values the collaborative environment at TMTC, where the supportive nature of her coworkers makes the workplace both enjoyable and motivating.

Prior to joining TMTC, Nallely spent six years as a teacher, honing her communication, multitasking, and adaptability skills—qualities that have allowed her to thrive in her new role.

Fun facts about Nallely: Her favorite color is lilac, she loves to dance, and she is bilingual. Outside of work, she enjoys visiting the park, exercising, and spending time with her family. One of her future goals is to travel to Brazil.

Nallely joined TMTC in November 2023 and has become an invaluable team member. Known for her warm smile, she is often the first point of contact when entering our office. Nallely, or “Nelly” as she is affectionately called, serves as our Administrative Assistant and Title Administrator.

Her enthusiasm for learning, strong work ethic, and helpful nature have significantly impacted the office. Nallely is always willing to assist her colleagues, offering support wherever needed. Whether it’s managing administrative tasks or stepping in to help with various projects, she has proven to be an indispensable team player. Nallely greatly values the collaborative environment at TMTC, where the supportive nature of her coworkers makes the workplace both enjoyable and motivating.

Prior to joining TMTC, Nallely spent six years as a teacher, honing her communication, multitasking, and adaptability skills—qualities that have allowed her to thrive in her new role.

Fun facts about Nallely: Her favorite color is lilac, she loves to dance, and she is bilingual. Outside of work, she enjoys visiting the park, exercising, and spending time with her family. One of her future goals is to travel to Brazil.

Fleet Administrator

Fleet Administrator