About Us

Accumulus, a SEC registered investment advisor, has been constructing and managing absolute return portfolios since 2001. What drives our approach is the core focus on preserving capital and identifying return streams that are independent of the broader market. Accumulus manages commingled funds and separately managed accounts with aggregate assets under management and advisory of over $1.7 billion.

Our Team

Benjamin Schliemann

Benjamin Schliemann

Founder and Chief Investment Officer

Stefan Zellmer

Stefan Zellmer

Chief Operating Officer
and Portfolio Manager

Mary Curran

Mary Ellen Curran

Chief Financial Officer and
Chief Compliance Officer

Prior to founding Accumulus Capital Management in 2001, Mr. Schliemann spent ten years as Vice President & Partner of Hanseatic Corporation, New York and Hamburg, an alternative investment management firm. At Hanseatic he established a family office operation, advised on asset allocation, and analyzed, executed and monitored investments. From 1990-1991 Mr. Schliemann was an Associate with M.M. Warburg & Co. in Hamburg, Frankfurt and Luxembourg. From 1994 - 2001 he served as the New York Representative of M.M. Warburg & Co. Mr. Schliemann received a B.A. (Honours) and M.A. in Modern History from Oxford University.

Prior to joining Accumulus Capital Management on October 1, 2016, Mr. Zellmer was a Managing Director and Chief Investment Officer at Burnham Asset Management Corp and a Senior Managing Director and Portfolio Manager at Revere Wealth Management LLC. He previously was Chief Investment Officer at Uhuru Capital Management, a fund of hedge funds firm focused on investments in emerging and smaller hedge funds. Before joining Uhuru, Mr. Zellmer was a Managing Director and Global Head of Research at UBP Alternative Investments and co-Head of Research and a member of the investment committee at Arden Asset Management. Mr. Zellmer began his career at Morgan Stanley in 1995 where he was a Vice President, working in the Prime Brokerage and Asset Management divisions. Mr. Zellmer earned an MBA in Finance with distinction from New York University’s Stern School of Business and a BA in Operations Research from the University of Hohenheim in Germany.

Prior to joining Accumulus Capital Management in 2018, Ms. Curran was a Vice President at Morgan Stanley in the Fund Services division. She was previously Controller at Metropolitan Capital, a long short equity hedge fund. Ms. Curran was responsible for all accounting and back-office operations. Ms. Curran received a B.A. in Accounting from Adelphi University.

Stephanie Tack

Stephanie Tack

Head of Europe and Global Business Development

Sam Wood, CFA

Sam Wood, CFA

Head of Strategy and Market Research

Alberto Finali

Alberto Finali

Research Director

Mrs. Tack re-joined the firm in early 2026 to establish and lead the European office of Accumulus in Germany. Prior to that Mrs. Tack spent thirteen years at Siemens AG in various roles. Ten years in the Siemens pension department, focusing on hedge fund allocations and on other asset classes as well as risk management and capital allocation; and three years as Head of Sustainability and part of the investment committee at the private equity business of Siemens Financial Services. From 2010-2013 Mrs. Tack worked as research analyst in Accumulus’ New York office. Mrs. Tack holds a master’s degree in business administration from the University of Hamburg.

Mr. Wood joined the firm in March 2023. Prior to joining Accumulus Capital Management, Mr. Wood was Head of Research at Aravis Capital, a London-based capital raising and advisory firm. Before joining Aravis, Mr. Wood worked at Gerson Lehrman Group (GLG), where he managed several primary research teams covering hedge funds and long-only funds based in London. Mr. Wood is a CFA charterholder and received a B.A. (Honours) in American Literature and History from the University of Nottingham.

Mr. Finali joined the firm in 2021. Prior to joining the firm on a full-time basis, Mr. Finali advised family offices and institutional clients on alternative and direct investments for over 10 years. In that context, Accumulus collaborated with Mr. Finali for many years. Previously, he was a Co-founder and Partner of Southaven Investors, a value-oriented hedge fund from 2002 until 2005. Prior to Southaven, Mr. Finali spent 15 years at Lehman Brothers, where he was a Managing Director in private equity after spending his earlier years in mergers and acquisitions. Before his Wall Street career, Mr. Finali worked at Bechtel as an engineer in the Pipelines and Production Technology Group. Mr. Finali holds a Master of Business Administration and a Master of Engineering degrees from the University of California, Berkeley, and a Laurea from the Milan Polytechnic School. Mr. Finali was a member of the Board of Directors of NYSE-listed L-3 Communications between 1997 and 2001.

Ethan Siegman

Ethan Siegman

Senior Research Analyst

Ludwig von Habsburg-Lothringen

Ludwig von Habsburg-Lothringen

Research Analyst

Sebastian Frowein

Sebastian Frowein

Research Analyst

Mr. Siegman joined the firm in 2022. Prior to joining Accumulus, Mr. Siegman was an Associate Vice President at Preqin, where he focused on private equity fund performance analysis and business development. Prior to joining Preqin, Mr. Siegman was a Research Analyst in BNY Mellon’s Manager Research department. Mr. Siegman graduated Cum Laude from Yeshiva University’s Sy Syms School of Business with a B.A. in Accounting.

Mr. von Habsburg-Lothringen joined Accumulus Capital Management in 2024 as part of a long-term internship program and was promoted to Analyst in June 2025. Prior to joining the firm, he worked part-time at Amiral Gestion, a French asset management company, where he focused on sales and investor relations for mutual funds. Mr. von Habsburg-Lothringen holds a Bachelor's degree in Economics from IE University.

Mr. Frowein joined Accumulus Capital Management in February 2026, following a summer internship with the firm in  2025. He holds a bachelor’s degree in economics from the University of St. Gallen and is finalizing his master’s degree in quantitative economics and finance from the University of St. Gallen.

Michael Divgun

Michael Divgun

Assistant Controller

Dawn Amato

Dawn Amato

Office Manager

Mr. Divgun joined the firm in 2024. Prior to joining Accumulus Capital Management, Mr. Divgun was an Associate at U.S. Bancorp, where he focused on alternative investment fund administration as a primary fund accountant. He was previously an investor relations professional at Okapi Partners, a corporate services consultant. Mr. Divgun holds a B.A. in Economics from the City University of New York – Hunter College.

Ms. Amato joined the firm in 2004. She is responsible for all administrative matters at the firm. Ms. Amato has over 20 years of experience as an Executive Assistant. She attended the Executive Secretarial Program at The Berkeley School in New Jersey.