Meet the Team

Private Debt


Andreas Tretzmueller

Portfolio Manager (Northern Europe)

Andreas is part of the investment team of the Tenax European Credit Fund (TECF).

He joined Tenax in 2019 as a Portfolio Manager. He has over 25 years of experience in credit investment and has an track record in private debt and direct lending.

Strong contact network within the European corporate finance, debt advisory and institutional investor communities and strong rapport in German corporate and leveraged finance situations augmented by top-level origination, analysis and execution experience in all debt products.

Andreas graduated from Vienna University of Economics and Business and has an MBA from Harvard Business School.


Rolf Brien

Portfolio Manager (Northern Europe)

Rolf is part of the investment team of the Tenax European Credit Fund (TECF).


Prior to Tenax, Rolf has worked for the last 25 years both as a principal investor and as a corporate finance advisor with a focus on financings for mid-sized European companies.  He recently spent circa 3 years on the investment committee of the European Investment Bank for its MidCap Growth Financing Initiative. Previously he was a managing director and investment committee  member at both PRICOA, the European investment arm of the U.S. Prudential, and Mezzanine Management, a dedicated pan-European mezzanine provider.


He is a qualified Chartered Accountant and Corporate Treasurer and has a B.Com (Hons) from Birmingham University.


Gianpaolo Piatella

Portfolio Manager (Southern Europe)

Gianpaolo is part of the investment team of the Tenax European Credit Fund (TICF). 

Prior to Tenax, Gianpaolo worked for approximately 15 years in Private Equity for Synergo, Sofipa, Intesa San Paolo and Paribas Affaires Industrielles. Gianpaolo holds a BA cum laude from Bocconi University and an MBA from SDA Bocconi with an exchange program at London Business School.

Gianpaolo is a qualified Chartered Accountant and Registered Auditor.

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Filippo Padovani

Portfolio Manager (Southern Europe)



Amanda Callaghan

Head of Credit Fund Operations

Amanda is the Head of Credit Fund Operations at Tenax.

Amanda was previously Head of Loan Trade Support/Loan Operations at Commerzbank, where she had responsibility for the support teams in secondary loan trading and distressed debt. She has over 25 years experience in the loans market spanning emerging markets, distressed and par loan settlements, loan administration and cash management. She is a specialist in LMA and LSTA documentation. Amanda was responsible for the establishment of emerging markets and secondary loan trading support desks at Dresdner Kleinwort prior to their acquisition by Commerzbank