Mission Statement

The mission of Summit Tax & Financial Services, Inc. is to provide high quality tax and small business services with the utmost integrity while enabling our clients to optimize their tax savings.


Deborah A. Derham, EA

Deborah A. Derham, EA has decades of experience in tax preparation, small business management and representation of taxpayers. She offers practical and common sense solutions to difficult problems and challenging situations. Deborah serves as a strong advocate of taxpayer rights and is known for her effective negotiating and settlement skills. Deborah is a member of Soroptimist International of Mariposa, Pathfinder Chapter of American Business Womens Association, and Fremont and Newark Chambers of Commerce. Deborah loves spending time with her family and enjoying a good book.

Jennifer A. Logan, EA

Jennifer A. Logan, EA has over 30 years experience in tax preparation, representation of taxpayers, small business start-ups and bookkeeping. Her background in payroll and sales tax return preparation enables her to ensure our small business clients have a system in place for record keeping to ensure they are in compliance with all government agencies. She approaches our client’s tax needs with their goals in mind. Jennifer is a member of the Fremont and Newark Chambers of Commerce. She loves spending time with her family, working on craft projects, reading and watching movies.