Mark Lyons, CPA

Mark Lyons, CPA

Managing Shareholder

Shareholder. Healthcare team leader. Board president. Mark wears a lot of hats at Casey Peterson, Ltd., and pulls off each one with poise. He’s been with our company for over 15 years, joining us after gaining broad experience in the healthcare industry and at Clifton Larson Allen, LLP, one of the largest firms in the nation. His areas of expertise include healthcare, non-profit, governmental, construction, accounting and auditing, healthcare reimbursement consulting, and interim controller and CFO services.

Mark is involved with several organizations and societies in the area and in the industry:

  • American Institute of Certified Public Accountants
  • South Dakota CPA Society
  • Healthcare Financial Management Association (Wyoming and South Dakota Chapters) — Financial Review Committee Chair
  • South Dakota Association of Healthcare Organizations
  • North Dakota Hospital Association

He’s also our most fervent sports fan. Most of his evenings are spent coaching Black Hills youth football, volunteering at the YMCA of Rapid City, and enjoying the outdoors with his wife and three children.

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