Marielle Bush

Marielle Bush is a seasoned financial professional with extensive experience in investor relations and business development. Currently serving as Managing Director and Head of Investor Relations at Tree Line Capital Partners since August 2025, Marielle previously held the position of Managing Director for Business Development at Octagon Credit Investors from June 2021 to August 2025. Marielle's career includes key roles such as Director of Marketing at Brigade Capital Management, Director of Business Development and Investor Relations at Hutchin Hill Capital, and Director of Business Development at GoldenTree Asset Management. Earlier experience includes roles at Merrill Lynch as an Associate in Equity Research Sales and at Goldman Sachs as an Associate in High Yield Research. Marielle holds an MBA from Columbia Business School and a Bachelor of Arts in Political Science from Boston College.