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Executive Management Team

David Baker

David Baker, President/Chief Executive Officer

David Baker brings an impressive record of accomplishment to the position of President and Chief Executive officer of Paratransit Services, and a sincere commitment to helping those who have special transportation needs. With a strong background in corporate management and finance, Mr. Baker makes valuable contributions to the effective implementation of our contracts. Mr. Baker has been with Paratransit Services since 2001. He is assisted by Executive Vice President, Christie Scheffer, and Chief Risk Officer, and Darlene Riley.

Christie Scheffer

Christie Scheffer, EVP/Chief Operating Officer

Christie Scheffer governs all operational activities relating to our services as a transportation provider and Non-Emergency Medical Transportation call center operator. Guided by extensive experience in transportation management, Ms. Scheffer provides direct corporate assistance to all of our General Managers in Washington, Oregon, and California. In addition, she oversees several corporate departments that provide administrative support: Human Resources; Safety, Training and Audit; and Information Technology. Ms Scheffer has been with Paratransit Services since 1999.

Darlene Riley

Darlene Riley, Chief Risk Officer

Darlene Riley provides corporate leadership in the areas of Risk Management and Legal. Ms. Riley was instrumental in the formation of NPIP (Non Profit Insurance Program), the first non profit insurance pool in Washington State. Through the pool, Paratransit Services is able to insure vehicles at any of our sites at manageable rates. Ms. Riley has been with Paratransit Services since 2000, and served as EVP/Chief Financial Officer until 2019.

Corporate Directors

Sara Wilson

Sara Wilson, Director of Finance/Controller

Led by Sara Wilson, CPA, our Accounting and Finance Department staff manage our A/P and A/R systems, prepare our financial statements, and generate other financial reporting documents as required by various federal, state, and local governments where Paratransit Services does business. Ms. Wilson has been with Paratransit Services since 2010.

Randy Grove

Randy Grove, Director of Human Resources

Randy Grove has had extensive training and experience in labor relations, and has established productive working relationships with the various labor unions who serve our employees. He is a member of the Labor and Employment Relations Association (LERA). Mr. Grove has been with Paratransit Services since 1999.

Wanda Gray

Wanda Gray, Director of Regional Operations

Wanda Gray has extensive experience in transportation operations and public transit management and supervision. Prior to joining Paratransit Services, she was the Transit Operations Manager for the City of Bend, Oregon. Today, Wanda is our Lake Transit General Manager, providing day-to-day management of the public transit system serving Lake County, California. In addition, she provides managerial oversight of our public transit operations in California. Ms. Gray has been with Paratransit Services since 2005.

Wayne Evans

Wayne Evans, Director of Information Technology

Wayne Evans is a software developer with over 25 years in information systems. He is skilled in a variety of programming languages and has developed applications through their entire life cycle. In 2014 he won an “Outstanding CIO” award from Puget Sound Business Journal. Mr Evans has been with Paratransit Services since 2004.