All of our CPAs hold valid Washington State CPA certificates issued by the Washington State Bar Association's and are current members of the Washington Society of Certified Public Accountants. 

Michelle Mahaffey

Michelle  C. Mahaffey

Office Manager

Michelle C. Mahaffey is the office manager who works closely with the CPAs to help grow the company's professional and personal brand. She works closely with her husband  and co-workers to provide excellent communication and a personal experience for all clients.

Mike Goodfellow.jpg

Michael J. Goodfellow 

Certified Public Accountant

Mike has been practicing in Enumclaw since 1978. He is a proud graduate of Enumclaw High School and earned his Bachelor of Arts in Accounting from Central Washington University. Mike's areas of expertise include business, personal and estate financial planning, preparation of individual, business and estate taxes and setup and analysis of accounting systems. He has extensive experience with QuickBooks and is a QuickBooks ProAdvisor.

Mike feels blessed to be able to work and live in the same community that he grew up in. 

Bonnie l. Goodfellow 

Bonnie and Mike have worked together for over thirty years. She earned her Bachelor of Arts in Accounting from Eastern Washington University. She had years of experience in both public and private accounting prior to joining Mike at Goodfellow and Associates. 

Chase E. Mahaffey 


Chase is the president and owner of Goodfellow Mahaffey & Associates, P.S. He acquired the firm in 2020 after being an employee of the firm. He specializes in tax preparation for small to medium size businesses, business consulting, and tax preparation and planning for individuals, trusts and estates.

He graduated from Central Washington University with a Bachelor of Science in Accounting and Masters in Professional Accountancy. He is an active Certified Public Accountant with the State of Washington.

He currently lives in Bonney Lake with his wife and 2 children. He enjoys watching the Seattle Sounders, refereeing soccer matches, and attempts to play golf.

Donna G. Furuike 

Certified Public Accountant

Donna joined the firm in 1997. She earned her Bachelor of Arts in Accounting from the University of Hawaii. Prior to joining our firm, Donna worked in public accounting both in Hawaii and Washington. Donna is involved in all areas of service, including accounting and preparation of individual and business taxes. Donna specializes in assisting individuals and small business clients with a wide range of services. She also has extensive experience with QuickBooks. In addition to being licensed in Washington, Donna is also a licensed C.P.A. in the state of Hawaii. 

Cheryl L. Burnside 

Office Administrator 

Cheryl joined the firm in 1992 after leaving the world of banking. She has over thirty years experience in the financial industry. She holds our firm together, while answering a busy phone, being at our front desk and managing the needs of our clients and staff. Her professionalism, in balance with her wit and humor keeps the office running. Cheryl is a true Enumclaw Hornet. Born and raised here, she attended and graduated from Enumclaw High School.