Over 60-years of combined investment experience used intelligently
In bringing Ghost Tree Partners to life, the three founders are drawing on their 20 years each of industry experience to uniquely combine idea sourcing and credit underwriting for a compelling fixed income alternative.

Mark Fox
Co-Founder & Managing Partner
Prior to founding Ghost Tree, Mark honed his credit and distressed skill set at Bain Capital Credit ($27B+ AUM)*. Mark is a graduate of Harvard Business School.

Scott Warner, CFA
Co-Founder & Managing Partner
Prior to founding Ghost Tree, Scott was a partner and Head of Manager Research at PAAMCO Prisma, a $16B AUM* affiliate of KKR. Scott is a graduate of UCLA’s Anderson School of Management.

Jeff Willardson, CFA
Co-Founder & Managing Partner
Prior to founding Ghost Tree, Jeff was a partner and Head of Investments for PAAMCO Launchpad, the seeding arm of PAAMCO Prisma, a $16B AUM* affiliate of KKR. Jeff is a graduate of The Wharton School at the University of Pennsylvania.
While at PAAMCO Prisma, the three founders of Ghost Tree Partners spent nearly five years proving their concept: small and middle-market private credit with diverse sourcing partners can produce attractive risk-adjusted returns. The team executed over 40 transactions between 2018 and 2021 with nearly 20 different sourcing partners.
Target Sectors












Target Deals
Loan Sizes
$10-30mm
Cash Yields
8-12%
Loan-to-Value Range
0-70%
Loan Terms
3-4 Years
Seniority
Senior-Secured, 1st Lien
Target Geographies

US, Europe, Developed Asia
*The Assets Under Management (AUM) mentioned above were managed when Mr. Fox was at Bain Capital Credit and Mr. Warner and Mr. Willardson were at PAAMCO Prisma. While they were senior members of these investment teams, other professionals at these firms were also involved in the purchase and management of the AUM.