Harrison has served on the firm's Board of Partners and is chair of the firm's Finance Committee. He practices corporate law, including representing large corporations, emerging growth companies, venture capital and private equity funds, and colleges and universities. His work includes mergers and acquisitions, and corporate governance counseling to boards of directors, officers and shareholders. He represents venture capital and private equity funds in investments and divestitures, and represents their portfolio companies in connection with acquisitions.

Prior to entering private practice, Harrison served as captain of the JAG Corps in the U.S. Army. He was an Elliott Cheatham Scholar at Vanderbilt University Law School and a Samuel Bell Scholar at Davidson College.