Mark Schiller

Mark Schiller brings more than two decades of experience advising individuals, families, and business owners on complex tax, wealth, and business planning matters. Since beginning his career in 2001, Mark has built a reputation for delivering thoughtful, integrated advice tailored to each client’s unique financial circumstances.

Mark is also a partner of Williams & Schiller, P.C. CPAs & Consultants, a commonly owned full-service CPA and business advisory firm. Mark is the managing partner of the Fargo, ND office.

Mark is a Certified Public Accountant (CPA) and holds the Certified Financial Planner™ (CFP®) designation, reflecting advanced expertise in comprehensive financial planning. He is also Accredited in Business Valuation (ABV), allowing him to provide sophisticated valuation and advisory services for closely held businesses, succession planning, and transaction-related matters.

Mark earned his Bachelor of Arts in Accounting from Concordia College in Moorhead, Minnesota. He further expanded his technical expertise by completing graduate certificates in Estate Planning and Financial Analysis through the College for Financial Planning, reinforcing his focus on long-term, strategic planning for clients.

With a holistic approach that integrates tax strategy, wealth management, and business advisory services, Mark works closely with clients to help them navigate complex decisions 
and achieve their long-term financial goals.

Outside of his professional work, Mark enjoys lake time, family time, hockey and a variety of other outdoor pursuits. Mark primarily resides in Moorhead, Minnesota, with his wife, Kristi, and their two college-age children. Mark’s family lived full-time in Sandpoint, ID from 2006-2012. Now empty nesters, Mark and Kristi are excited to split more time between their Minnesota and Sandpoint residences.