Mark Herndon

Managing Director
MBA, Certified M&A Advisor (CM&AA)

Mark joined the Stillwater team in 2024 and leads the firm’s acquisition advisory practice.

Over the past 25 years, Mark’s M&A experience includes over 80 transactions ranging from $10 million to over $36 billion in enterprise value and with roles including executive committee, steering committee, transaction lead, due diligence lead, or integration lead and with deal-types including mergers, platform and add-on acquisitions, joint ventures, and divestitures across a variety of industry verticals.

Mark’s prior roles include serving as Chairman of the M&A Leadership Council, which trained and certified over 7,500 executives in M&A and established best-in-class internal M&A capabilities for programmatic acquirers; serving as President of a transaction advisory firm that supported private equity, family offices, and mid-market corporations with M&A buy-side and sell-side transaction services; and, serving as U.S. Region Leader for Merger and Acquisition Services with a global top-twenty consulting firm.

Mark is the co-author of The Complete Guide to Mergers and Acquisitions: Process Tools to Support M&A Integration at Every Level, Third Edition (John Wiley/Jossey-Bass Publishers, July 2014).

In addition to his business advisory work, Mark serves as a board director for various privately held companies and faith-based organizations. Mark and his family love the mountains in summer, going on food tours, and cheering for the Dallas Stars hockey team.