Miranda Crabb is responsible for Investor Relations and business development at One Oak. Her focus is on developing new client relationships while simultaneously nurturing One Oak’s existing client base.
Prior to joining One Oak Capital Management in 2024, Miranda was a Director for Baylor Scott and White Quality Alliance where she was responsible for marketing programs within the healthcare system.
Miranda graduated with a Master of Science degree from the University of Texas at Arlington.
Joseph H. Marren, Head of Research and Portfolio Manager, oversees the firm's research strategy across all sectors and asset classes.
Joe brings extensive experience to the position. He previously served as President, Chief Executive Officer, and Chief Investment Officer of KStone Partners LLC, a firm specializing in managing funds-of-hedge funds with a primary focus on the municipal securities market.
Prior to co-founding KStone Partners, Joe spent 23 years in senior roles leading business development within the Mergers & Acquisitions (M&A) departments of Citigroup, Credit Suisse, Donaldson, Lufkin & Jenrette, and Sagent Advisors. He has authored two M&A books published by Dow Jones Irwin and has taught a class on M&A as an adjunct professor at NYU’s Stern School of Business. In addition, he has been a guest lecturer at Fordham Law School, Columbia Law School, and Columbia Business School on federal government accounting and M&A-related topics.
Joe holds a BBA from the College of William & Mary, a JD from Fordham Law School, and an MBA from NYU Stern School of Business. He is a certified public accountant (inactive).
Joseph Marren serves as an Associate Portfolio Manager, where he supports the construction and management of municipal bond portfolios across tax-exempt strategy. His responsibilities include trading, identifying relative value opportunities, and overseeing active portfolio positioning across all tax exempt separately managed accounts.
Joseph works closely with the investment team on credit selection, sector allocation, and trade execution. He plays a key role in firmwide system implementation and adoption. Joseph also supports broader firm initiatives, including trading operations and marketing efforts.
Prior to joining One Oak, Joseph was with KStone Partners, where he gained invaluable exposure to municipal managers across the fixed income landscape. In that role, he was actively involved in investment committee decision-making and supported the firm’s marketing efforts. Joseph holds a Bachelor of Science in Economics from Miami University and maintains a Series 65 license.
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