Axis Partners · Our Team · Founding Partners
AXIS PARTNERS Financial Advisory · Export Finance

§ Team · Founding Partners

Two senior bankers, one common mission.

Axis Partners is led by two Founding Partners with combined experience of over six decades in corporate finance, capital markets and risk solutions across leading European banks — now applied to the structuring and execution of SIMEST Supplier Credit transactions for the Gulf market.

Stefano Zeni — Founding Partner, Axis Partners

Founding Partner

Stefano Zeni

Stefano brings nearly four decades of experience in corporate and investment banking across leading European institutions. Most recently Managing Director and Head of Energy & Utilities industry Coverage at UniCredit (2011–2024), where he led a EUR 225m banking revenues portfolio with 25+ international global clients including Enel, Eni, ERG, Maire and Saipem — with direct CEO and CFO coverage and recognised leadership in capital markets transactions for Eni over the past eight years.

Previously held senior roles at The Royal Bank of Scotland (Director, Global Banking & Markets), Moody's Investors Service (VP, Senior Analyst), Banca IMI (DCM Director) and Sanpaolo IMI (Head of Italian, UK & Scandinavian Desks in London), covering DCM, ECM and M&A across European corporates.

Since December 2024, Senior Partner at Green Gap. From April 2026, Independent Board Member at Banque Eni S.A. (Bruxelles, Eni Group), member of the Risks, Audit and Compliance Committees.

Education SDA Bocconi Director's Programme · London Business School Corporate Finance Executive Program · AIAF Masters in Financial Analysis

stefano.zeni@axis-partners.org

Piero Costantini — Founding Partner, Axis Partners

Founding Partner

Piero Costantini

Piero brings over 25 years of experience in corporate financing and risk management solutions across leading European banks. Since November 2021, CEO and Co-founder of Green Gap, a regulated Italian credit brokerage firm supporting corporates in structuring debt, tax credits and factoring transactions, and intermediating credit assets and debt securities between issuers, banks and financial institutions.

Previously Managing Director at NatWest Markets / The Royal Bank of Scotland (2002–2021), where he led Corporate Financing & Risk Solutions for Western Europe (2015–2021), overseeing origination and sales activity to the top 160 corporate and public sector clients across the region. From 2019 also County Head Italy and Legal Representative of the NatWest Milan branch. Earlier senior derivatives sales roles at Commerzbank (1998–2002) and Société Générale (1994–1998) in London, Paris and Milan.

Since July 2023, Fund Partner and Shareholder at Zephir Capital Sgr (Debt and Special Situations).

Education Università Cà Foscari di Venezia (Economics & Business) · Warwick University (scholarship year)

piero.costantini@axis-partners.org

§ Next step

Talk to a Partner.

A 30-minute call is enough to assess whether your transaction qualifies for SIMEST Supplier Credit and to estimate the indicative all-in cost.

Request an introduction