Leadership
TMS has a thorough knowledge of coordinating multi-agency resources to provide transportation services to the elderly, disabled, low income and children at-risk. In servicing contracts with government agencies and managed care organizations, TMS utilizes hundreds of transportation companies to create high quality transportation programs all over the nation. A complete team of qualified personnel, including the principals and senior management, are in place to personally take a “hands-on” approach to each project and deploy our full complement of human and technological assets to achieve the highest level of success.
The Principals
David McDonald, President
David McDonald brings over 25 years of transportation experience and nine years serving as the Pinellas County Community Transportation Coordinator’s (“CTC”) key staff person for Florida’s Transportation Disadvantaged Program. For the past six years, David has held the position of President/COO for TMS. He is an established expert in developing creative transportation programs to maximize cost effectiveness of government funding. His strengths in contract negotiations, public relations, and management are valuable assets to the organization.
Contact Information:
ph: 1–866–790–8859
email: david.mcdonald@tmsmg.com
Nicholas A. Cambas, Secretary
Nick Cambas is the Secretary of TMS and is regarded as a national leader in the taxi and paratransit industry with a reputation of providing safe, quality, and cost–effective transportation. He has decades of experience in providing all aspects of transportation, including brokerage and direct transportation services. As a former appointed member of the Florida Commission for the Transportation Disadvantaged, Nick served for six years and was instrumental in establishing effective laws and regulations for the coordination of services and resources for transportation disadvantaged programs.
Contact Information:
ph: 1–866–790–8859
email: nick.cambas@tmsmg.com
Darryl Minardi, Vice President
As a third generation transportation provider, Darryl Minardi, Vice President, brings more than a quarter century of transportation experience to TMS. He has strived over the years to keep his companies updated with the most state–of–the–art information systems. His expertise in building good community relations and creating a team environment guides our transportation projects across the nation.
Contact Information:
ph: 1–866–790–8859
email: darryl.minardi@tmsmg.com
Bud Williams, Board Member
George B. (“Bud”) Williams is the President of Greater Pinellas Transportation Management Services, Inc., (GPTMS is a TMS affiliated operation providing service in Pinellas County since 1991). Bud brings over 25 years of transportation experience in providing wheelchair accessible service to the transportation disadvantaged and his experience with successful brokerage models is an asset to the TMS Board.
Contact Information:
ph: 1–866–790–8859
Lionel D. Martinez, Corporate Treasurer and Chief Financial Officer
Lionel D. Martinez, is the Chief Financial Officer and Corporate Treasurer of TMS. He brings over 20 years experience in public accounting representing companies in the ground transportation industry including taxi and executive sedan services, brokerage services, para-transit and bus and trolley service. Lionel’s accounting background coupled with his intimate knowledge of transportation entities brings an added value to each project that TMS is involved with.
Contact Information:
ph: 1–727-252-0925
email: lionel.martinez@tmsmg.com
Leadership Team
Lisa Bacot, Director of Business Development
Lisa Bacot, Director of Business Development, brings extensive non-emergency transportation experience to the already highly qualified TMS senior management team. Immediately prior to joining TMS, Lisa served as the Executive Director of the Florida Commission for the Transportation Disadvantaged and guided the state through the Medicaid Non–Emergency Transportation transition from a fee–for–service program to the per month capitated payment system currently operating today.
Contact Information:
ph: 1–727–434–0065
email: lisa.bacot@tmsmg.com
R. Todd Ashby, TMS Account Manager
R. Todd Ashby is the TMS Account Manager for the State of Iowa’s Medicaid Non-Emergency Transportation Program. He is a transportation executive with nearly two decades of achievement in transportation program development, planning and consulting, state Department of Transportation, and metropolitan transportation management positions. Todd (who is originally from Ankeny, Iowa) has worked with transportation providers and government agencies across the State of Iowa. Over the past 17 years he has helped commence, plan, and implement numerous transportation projects, programs, and initiatives that have improved transportation options throughout Iowa and other areas of the country.
Contact Information:
ph: 1–515–559–4693
email: todd.ashby@tmsmg.com
Jim Barr, Provider Network Specialist
Jim Barr, Provider Network Specialist, is a seasoned, business executive with over 30 years of professional, financial, and managerial experience. For 15 years (1991-2006), Jim was the President of Palm Beach Transportation, the largest ground transportation company in Palm Beach County with over 400 employees and agents, and 400 vehicles. During this time, Jim oversaw Medicaid non–emergency transportation delivery on a county–wide basis for one of the most densely populated areas of the Southeast U.S.
Contact Information:
ph: 1–866–790–8859
email: jim.barr@tmsmg.com
Brian Crane, Corporate Controller
Brian Crane is the Corporate Controller and he brings a combined 10+ years of experience in areas such as Accounting/Finance, Operations Management and Customer Service. He has excelled over the years in managing various high-level projects while maintaining consistency in day–to–day operations. Brian excels at provider relations in streamlining oversight for processing payments.
Contact Information:
ph: 1-727-252-0920
email: brian.crane@tmsmg.com
Chad Barr, Director of Operations
From childhood, Chad Barr Director of Operations, was raised in the non–emergency transportation industry learning all aspects of transportation operations including dispatch, vehicle maintenance, and billing. Chad earned his law degree from the University of Chicago Law School and uses his legal experience to provide document review and control services for TMS. Chad crafts TMS’s Quality Assurance Program by monitoring TMS’s transportation provider networks for contract compliance.
Contact Information:
ph: 1–866–790–8859
email: chad.barr@tmsmg.com
Diane Kroepsch, Quality Assurance Manager
Diane brings over 25 years of combined experience in such areas as management, administration, marketing, customer service and the wholesale industry. Her background has allowed her to work for a variety of employers who have benefitted from her skills and attention to detail. Diane provides exceptional quality control to each TMS project and excellent communication skills for the benefit of the entire project. Diane’s many assets have enabled her to oversee staff and the startup of and successful implementation of projects while still maintaining day-to-day operations. She assists in the administration and development of the Quality Assurance Program, TMS policies and procedures and ensures that TMS maintains an immaculate record-keeping and filing system.
Devin Minardi, Hawaii Project Manager
Devin Minardi, Hawaii Project Manager, is a fourth generation taxicab and Medicaid non-emergency transportation provider. Growing up in this environment, Devin experienced all facets of the industry. He utilizes his knowledge of the transportation business and his Risk Management education to successfully operate the daily management of the Hawaii project. Devin earned his undergraduate degree from Florida State University.
Contact Information:
ph: 1–866–790–8859
email: devin.minardi@tmsmg.com
Sue Miller, Call Center Manager
Sue Miller, Call Center Manager, brings almost two decades of customer service, leadership and administration experience in the transportation industry. Her combined managerial skills, positive instruction and interaction skills are reflected in the professionalism of her team. Sue rose to her current position after distinguishing herself as a senior manager at Greater Pinellas Transportation Management Services (“GPTMS”). Sue’s excellence at transportation coordination, call center management, and problem resolution make her ideally suited for this position.
Contact Information:
ph: 1–866–790–8859
email: sue.miller@tmsmg.com
Jason DiRenno, Information Technology Assistant Manager
Jason DiRenno is TMS Management Group’s IT Assistant Manager and has served in this position since 2007. Jason brings more than five years of transportation IT experience and additional technical experience to this project. Currently his duties include hardware and software administration, database management, IT training for employees, he creates administrative reports and trip manifest reports for NET Services in across the United States. Jason received his Bachelors Degree in Computer Science from the University of South Florida in 2008 and graduated Summa Cum Laude.
Contact Information:
ph: 1–866–790–8859
email: jason.direnno@tmsmg.com
Jim Sturtz, Information Technology Manager
Jim Sturtz is the TMS Information Technology Manager and has been working in the information technology field for over two decades. He has a varied and extensive background in programming, installations, support, purchasing and network creation and maintenance. He was previously employed by Easystreet Software in Raleigh, North Carolina and also with Desktop Office Systems in Clearwater, Florida. In addition to his extensive IT background, Jim served as the Corporate Vice President and Controller for a premier hotel in Safety Harbor, Florida. He received an associate’s degree in 1970 from Central Florida Junior College in Ocala, Florida.
Contact Information:
ph: 1–866–790–8859
email: jim@sturtzs.com
Bob Baerwalde, Information Technology Specialist
Bob Baerwalde, Information Technology Specialist, specializes in application design and development for county governments and transportation brokerage companies. Bob has been a consultant working with Unix and Netware System design, implementation and administration. He was previously a Director of MIS and established and managed an IT department for a national retailer. Bob brings extensive skills in the areas of data analysis and design, application design, network administration and design, application integration, and system integration. Bob serves as TMS’s Information Technology Specialist.
Contact Information:
ph: 1–866–790–8859
email: bob.baerwalde@tmsmg.com
Melissa “Missy” Holyfield, Assistant General Manager
Missy manages the call center staff, monitors call volumes and the telecommunications system to assure that reasonable hold times are not exceeded. She brings more than 19 years of experience in customer service training, scheduling, monthly reporting, monitoring billing and determining eligibility, and coordinating trips as well as working closely with providers and attending provider meetings. Her background also includes resolution of client and transportation provider problems and concerns. Missy’s educational background includes college level business and accounting courses.
Contact Information:
ph: 1-866-867-0729 ext 205
email: missy.holyfield@tmsmg.com
Mary Wilfalk, Floor Supervisor
Mary brings more than 27 years of supervisory experience in transportation, customer service, marketing, retail and banking. Mary supervises the call center operators, assisting with client calls, provider needs and monitoring call volumes to ensure callers receive quality service. Mary also provides outreach and education to local social services agencies. She has developed strong communication skills through her background in conducting surveys for test marking new products, retail store management and as a bank teller. Mary’s educational background includes college level business courses.
Contact Information:
ph: 727-541-3030
email: mary.wilfalk@tmsmg.com
Virginia, “Gini” Miller, Floor Supervisor
Gini brings more than 19 years of transportation and medical customer service experience. Gini supervises the call center operators, provides operator training and assistance with client calls, provider needs and monitoring call volumes. Her professional background in medical offices includes answering high volumes of incoming calls and assisting patients, as well as processing claims and, billing. Gini is also a Certified Medical Assistant.
Contact Information:
ph: 1-866-531-0615 ext 503
email: gini.miller@tmsmg.com

Contact Us
- 13825 ICOT Blvd.
Suite 613
Clearwater, FL 33760 - Ph: 866–790–8859
- Fax: 727-252-0933

