Our Staff

Eric A. Carlson, CPA

Eric Carlson, CPA, has been a practicing accountant in Tuolumne County since 1977. He was educated at U.C. Berkeley, served two years on active duty as an officer in the U.S. Army, and worked for a national CPA firm before beginning his practice. Eric’s specialties include consulting and tax planning of real estate acquisitions and sales, estate planning and advising individuals and small businesses. Eric invests many hours in community services.

Robert C. Haff, CPA

Robert Haff, CPA, joined the firm in May 2004 and became a partner in 2006. He graduated from the University of Phoenix in 1987. Bob’s experience includes owning and operating small businesses in the Bay Area and Tuolumne County which provided invaluable insights into the accounting needs of small businesses. Bob’s specialties include audit, review and compilation of financial statements for both non-profit and for-profit business entities, consulting with owners of small businesses and tax planning for individuals and various business entities. When Bob is not in the office, you can find him working on his farm.

Jimmie F. Nixon, CPA

Jimmie Nixon, CPA, was born and raised in the Central Valley. He graduated with a degree in Accounting from Fresno Pacific University in 2003. He worked for Tuolumne County’s Human Services Agency for 8+ years as their Senior Accountant and Chief Financial Officer. He joined the firm in January 2013 and became a partner in 2017. You can find him in his free time playing basketball with his two sons or having a tea party with his daughter.

Helen Whitear, our Administrative Assistant, has been with us since 2015. She is in charge of the front office, handles the firm’s office management, organization, and assists with the firm’s accounting. Born and raised in Sonora she is a graduate from Chico State University with a Bachelor’s Degree in Social Work. She enjoys British history, traveling, cooking, and being the mother of her two daughters.

Joanne Layne, Staff Accountant, is a graduate of Modesto Junior College. She has been assisting our clients since 1979 and has performed many facets of accounting. In her spare time, she enjoys reading and going on fishing trips with her husband.

Doreen Gibson, Staff Accountant & Payroll Specialist, attended Columbia Junior College and has enjoyed serving our clients since 1986. She specializes in all aspects of payroll including preparation of payroll and all federal and state filing requirements including W-2s. She also does accounting and tax preparation. Doreen loves spending time with her family and enjoys cooking and baking. She also enjoys baseball games and Nascar.

Lael Potter, Staff Accountant, delivers excellence in accounting and bookkeeping to meet our client’s business objectives. She joined the firm in 2014 and brings over 20 years of experience in setting up and managing small businesses. She graduated from Cabrillo College with degrees in Business, Accounting, and Spanish. She enjoys learning, cooking, gardening and the great outdoors.

Jessica Schummer, Staff Accountant, is a proud Tuolumne County native who attended Columbia Junior College. She has been with the firm since 2017. Jessica enjoys time with family and friends, her assortment of animals, and goes fishing as often as possible. 

Michaela Emerald, Staff Accountant, is a sixth generation Tuolumne County resident who values serving others. She received her Bachelor’s Degree from National University and is currently pursuing an MBA in Accounting. In her free time she enjoys volunteering, spending time with family and traveling.