Skip to main content

A.R.I. Venture Debt Opportunities Fund (Qualified Client), LP


Applied Real Intelligence LLC (“A.R.I.”) is a venture debt investment manager focused on providing financing solutions to innovative, high-growth, VC-backed companies operating in recession-resistant sectors throughout North America.

A.R.I.’s Venture Debt Opportunities Fund targets equity-like returns with the risk of senior secured debt. The Fund offers a 10% preferred return and reduces interest rate risk with floating-rate loans and long-term equity participation.

For additional information please visit or email A.R.I.’s investor relations team at

Our Team
Zack Ellison, CFA, CAIA
Managing General Partner & CIO, Applied Real Intelligence LLC (A.R.I.)

Zack Ellison, CFA, CAIA, is the Founder, Managing General Partner, and Chief Investment Officer of Applied Real Intelligence (“A.R.I.”). As CIO of A.R.I.’s Venture Debt Opportunities Fund, Mr. Ellison is responsible for leading all management and investment activities.

Previously, Mr. Ellison was Director of U.S. Public Fixed Income at Sun Life Financial, where he was responsible for corporate credit investing. Prior to Sun Life Financial, he was a corporate bond and credit default swap trader at Deutsche Bank, the world’s largest bank at the time. During the Global Financial Crisis, he was a banker who successfully underwrote and managed a portfolio of media and telecom loans at Scotia Bank, where he worked closely with Chief Marbumrung, A.R.I.’s Managing Director, Investments. He began his financial career at Thomson (now Thomson Reuters) in the Capital Markets Intelligence group.

Currently, Mr. Ellison is a Board Member of CFA Society Los Angeles, a Board Member of CAIA Association’s Southwest Chapter, the West Coast Regional Director of the Hedge Fund Association (HFA), and a member of the Milken Institute’s Young Leaders Circle (YLC).

Mr. Ellison holds an MBA with concentrations in Analytic Finance and Economics from The University of Chicago Booth School of Business along with an MS in Risk Management from New York University’s Stern School of Business. He earned a Bachelor of Arts degree from Swarthmore College while majoring in Economics. In his personal time, Mr. Ellison is working towards completion of a Doctorate in Business Administration at the University of Florida (Gainesville). Additionally, he holds the CFA and CAIA designations and previously held FINRA Series 7, 55, and 63 licenses.

Chief Marbumrung
Managing Director, Investments, Applied Real Intelligence LLC (A.R.I.)

Chief Marbumrung is Managing Director, Investments at Applied Real Intelligence (“A.R.I.”). He has a primary role in leading transaction origination, credit analysis, due diligence, transaction structuring, and loan underwriting. He also has responsibility for building and maintaining long-term strategic partnerships with A.R.I.’s portfolio companies and sponsors, including venture capital.

Prior to joining A.R.I., Mr. Marbumrung was a senior banker based in San Francisco covering the Technology, Media, and Telecommunications (“TMT”) sectors at BNP Paribas, France’s largest bank by total assets. In this role, he was responsible for originating and managing U.S. TMT corporate relationships and executed large loan transactions across a variety of high-growth sectors. Previously, he was an active deal team member on BNP’s Loan Capital Markets platform in New York, where he focused on underwriting, structuring, and executing loan transactions for corporate clients across multiple sectors.

He began his financial career during the Global Financial Crisis as a corporate banker in the U.S. Power Utilities & Power Project Finance group at Scotia Bank, where he worked closely with Zack Ellison, A.R.I.’s Managing General Partner. Preceding his financial career, Mr. Marbumrung was an electrical engineer at a privately-owned defense contractor based in New England.

He earned a BS in Electrical Engineering from Boston University’s College of Engineering and an MBA from Georgetown University’s McDonough School of Business. Additionally, he has previously held FINRA Series 79 and 63 licenses.