Groupe Kley


Jean-Baptiste Mortier

Chairman and CEO

A graduate of ESCE business school, Jean-Baptiste started his career in business finance before co-founding a startup. Previously Head of Asset Management at GE Real Estate and Managing Director at Blackstone, over the last 10 years he has been co-founder, CEO and Chairman of Vitalia, a leader in private clinic management in France.

Jonathan Cally


After completing his master's in Finance at Sorbonne University, Jonathan was Audit Manager then Transaction Services Manager at EY. In 2014, he joined Société Générale where he led the due diligence process for Mergers & Acquisitions projects in the automotive and financial services sectors.

Michel Rami

Development Director

A graduate of ESTP, Michel started his career with the Bouygues Group where he stayed for over 10 years. He became Director of Commercial Property Programmes at Bouygues Immobilier in 2012.

Ségolène Desplanques

Investment Director

A Master of Business Finance graduate from Neoma Business School (ESC Rouen), Ségolène gained two years' experience in finance during her studies, notably at GE Capital and the investment fund Impact Partenaires.

Thomas Seguy

Operation Director

After completing a master's in sports tourism service management, Thomas began his career as a manager in several tourism companies, such as Belambra Clubs, Club Med and Accor. Starting in 2012, Thomas supervised and managed the Paris Yves Robert hostel at Hostelling International.

Tiphaine Théodon

Marketing Director

Tiphaine is a graduate of GEM specializing in digital marketing. She has over 10 years of experience in digital marketing in mid-size companies (Habitat, La Halle) and in start-ups in charge of international business development covering both strategic and operational topics.

Arthur Rosaz

Senior Investment Analyst

Graduated from IESEG with a Master in Finance, Arthur joined Kley for his last year internship after several experiences in the financial and real estate sector. He officially joined the team at the end of it as Acquisition Analyst.

Benjamin Bruneau

Senior Investment Analyst

After several experiences in Private Equity, Benjamin joined KLEY as an Acquisition Analyst. He graduated from SKEMA Business School with a MSc Corporate Finance.

Claire Nowak

Real Estate Manager

Claire holds a master’s in Management, Business Services & Real Estate from Paris Est. Previously, she worked as property manager for large companies such as Mercialys, SNCF, Orange and SUDECO.

Emmanuelle Durin

HR Manager

After 10 years as an office manager, Emmanuelle has been part of the Kley team since the beginning and manages all the company's administrative tasks.

Jacky Benzakoun

General Account

After 10 years of experience as an Accountant with Total and DS Smith, Jacky joined Kley as Global Accountant.

Mariane Fuchs

Digital Manager

Holding a master's in Marketing specialising in Digital from Pôle Paris Alternance, Mariane joined Kley after two years in communication and marketing at BNP Paribas.

Maxime Pochon

Financial Controller

After 6 years of experience within BDO and Mazars Audit and Consulting firms, Maxime joined Kley as General Accountant. He is still studying to be qualified as a Chartered Accountant.