John Yanchek

Mr. John M.
Yanchek is a Chief Executive Officer at Montis Financial LLC and a Co-Managing Partner at ThreeHill Capital Partners LLC.
His primary responsibilities include creating and maintaining the vision, mission, and values for the company as well as being accountable and responsible for developing and overseeing the firm's strategic planning and execution.
John also serves as co-head of the investment committee.
He has extensive experience in institutional finance, having worked at Goldman Sachs’ Investment Banking Division, in both mergers and acquisitions and capital markets, as well as a member of the investment team at Boston-based private equity investment manager ArcLight Capital Partners.
While at Goldman Sachs, John’s responsibilities included advising public and private companies of all sizes on commercial and operational decisions, including M&A, financing, corporate governance, and strategic project development.
At ArcLight, he evaluated and underwrote new investment opportunities.
He oversaw and worked closely with C-suite executives of multibillion-dollar businesses to create and execute strategic, financial, and operational initiatives.
He received a B.A. in economics, magna cum laude, from Middlebury College.