About Us

James H. Fifield, CPA

Jim has been a certified public accountant since 1987 and opened his own CPA firm in 1989. He has more than 35 years of experience helping clients navigate the complexities of the IRS tax code. Specializing in the accounting and taxation needs of the small business. He also has a strong background in the planning and preparation of estate and trust income tax returns. Jim offers the personal service owners need to effectively manage their operations. Before starting his own practice, he spent 15 years in the real estate title industry, in the courthouse as a title examiner, and in the office as company treasurer.

Jim graduated from Franklin University with a bachelor's degree in Accounting in 1983. He is currently a member of the Ohio Society of CPAs.

He is an avid baseball fan and he and his wife, Linda, are big fans of the Columbus Blue Jackets.

Brandon (Dong Hyun) Kim, CPA

Brandon has been with Fifield, Kim & Associates CPAs since 2014. He has extensive experience in public accounting, including business valuations, estate tax planning, audits, and the preparation of a wide range of tax returns, including international tax returns. He also previously served as an assistant accounting manager for a national real estate property management company.

Brandon graduated from the University of Hawaii at Manoa, majoring in accounting. He enjoys traveling and various excursions such as scuba diving.

Michael H. Hill, EA

Michael has over 10 years of public accounting experience servicing individual and business client needs. He has been an Enrolled Agent since 2013, and joined Fifield, Kim & Associates CPAs in 2020. Michael specializes in preparing and reviewing tax returns of broad complexity.

A business graduate from the University of Colorado, Michael has called Central Ohio home since 2016. He is a loyal Colorado Avalanche fan who loves spending time outdoors with his wife, Ann, and their son, Thomas.

Lisa Prouse

Lisa is a Columbus native who joined the team in 2019 after spending 15 years with Macy’s. She graduated from Mount Vernon Nazarene University with a degree in Family and Consumer Sciences and a minor in Business. Lisa strives to provide a friendly, welcoming atmosphere for everyone who enters the office while efficiently managing her front desk responsibilities.

She and her husband have two children and enjoy cheering on the Columbus Blue Jackets. They value traveling together as a family while visiting favorite destinations such as Hocking Hills, Myrtle Beach, and Walt Disney World. Lisa loves attending concerts and live shows and is actively involved in serving at her church.

Peter (Sangin) Woo, CPA

Peter earned his MBA from UCSD’s Rady School of Management in 2020. Following graduation, he spent approximately three and a half years at a New Mexico-based accounting firm, providing audit and consulting services to government agencies, educational institutions, non-profits, and municipalities. During this time, he obtained his CPA license and, in 2024, relocated to Ohio, where he currently focuses on corporate accounting and taxation.

Before coming to the U.S., Peter earned a Bachelor’s degree in Economics from Sogang University in Seoul, South Korea, in 1999. He then accumulated over a decade of experience at global companies such as LG and Diageo, working in sales planning, business operations, and participating in global ERP system development and implementation projects.

Lillian A. Harmeling

Lillian has been working with Fifield, Kim & Associates CPAs since 2023. She initially joined the firm in a part-time role during tax seasons and transitioned to a full-time position in 2026. She supports the firm’s accounting and tax operations through tax preparation assistance, data entry, and administrative support, bringing strong attention to detail and organizational skills to her work.

She is currently working toward earning her Enrolled Agent credential to further expand her expertise in taxation and client support.

Outside of work, Lillian enjoys baking, reading, and hand embroidery, as well as being a proud dog mom to her two Australian Shepherds.

Yeonhee Park, CPA

Yeonhee joined Fifield, Kim & Associates CPAs, Inc. in 2025. She specializes in preparing monthly financial statements, processing payroll, and managing sales and commercial activity tax filings. Additionally, she provides comprehensive individual and business tax preparation services.

Yeonhee graduated from University of Iowa with a Master’s degree in Actuarial Science. Outside of the office, she enjoys life with her husband and two sons, all of whom are diehard Iowa Hawkeye fans.