Roger A. Sink, EA, PA, ATA, ABA, ATP

Roger started with the firm while he was a student at Kansas State University in 1955 and joined full time in 1958 after graduation. The firm was founded by Dale S. Van Valkenburgh in 1946. Through the years, Roger provided a strong leadership foundation from which the firm has grown and succeeded. Roger served as managing partner for many years, working with clients in general taxation, business management services and planning, estate tax planning, and financial planning. He was a member of the National Society of Accountants and the Public Accountants Association of Kansas, of which he served as president in 1973. Roger remained active at the firm until he passed away in 2023, leaving a legacy of excellence in accounting and philanthropy.

Roger had a long history of giving back to the Manhattan and K-State communities. His many areas of service included the Manhattan Airport Advisory Board, the Kansas Wildscape Foundation Board of Directors, Meadowlark Hills Foundation, and the Manhattan Area Chamber of Commerce, where he previously served as chair. He was a member and past chair of the board of directors for KS StateBank, a trustee of The Master Teacher Institute for the Arts, and member of the K-State Athletics Council, the K-State College of Business Dean’s Advisory Council, and the K-State Endowment Association. Roger served on the Mike Ahearn Scholarship Fund Board and the K-State Intercollegiate Council, and he was a member of the KSU Foundation Board of Trustees with his wife, Connie. He was also a member of the K-State President's Club and the Land Grant Legacy Society. Roger served as a Trustee for the Greater Manhattan Community Foundation.

In 2007, Roger was awarded the prestigious Manhattan Legacy Award by the Meadowlark Hills Foundation. Roger was inducted into the Accounting Hall of Fame in 2001. Outside of his work at SGA, he and Connie shared farming and ranching operations in Kansas and Nebraska. He also owned Pizza Hut franchises in North Carolina and South Carolina.