Investors & advisors

Investment fund

Iris Capital & Elaia

Our investors & advisors

Julien-David Nitlech

Julien-David Nitlech

Partner, iris Capital

Julien-David joined the Iris Capital team in 2013 and is mainly focused on early stage. He is responsible for investments in Cloud and Mobile technologies, with a particular interest in e-commerce platforms, enterprise software and Internet of Things.

Prior to joining the team, Julien-David launched and grew the European activities of Apperian, a US start-up that develops and markets a cloud-based mobile application management platform.

Xavier Lazarus - Partner, Elaia Partners

Xavier Lazarus

Partner, Elaia Partners

Having started his career in Arithmetics and Algebraic Geometry research at Université Paris-Sud, Xavier set up Cred-M, a company in the educational software sector sold in 1999 to the book publishing firm Odile Jacob.

He then joined the CPR group where he created and developed a VC business in the software and internet sectors. When CPR was acquired by Crédit Agricole, he became Investment Director at Crédit Agricole Private Equity.

Brian O'Kelley

Brian O'Kelley

Ex Co-founder & CEO, AppNexus

Brian was Co-founder & CEO of AppNexus (acquired by AT&T for $2 billion), the world’s leading independent advertising technology company.

Brian is seen as a visionary in the world’s of online advertising and is credited for the invention of ad-exchanges and programmatic technologies.

He was previously CTO at Right Media (sold $800 to Yahoo! In 2007). Brian is an active investor and advisor to early-stage start-ups.

Michael Rubenstein

Michael Rubenstein

Ex-president, AppNexus

As President of AppNexus (acquired by AT&T for $2 billion), Michael has been a chief architect of the company’s growth from startup to global technology leader.

Prior to joining AppNexus, Michael was a longstanding executive at DoubleClick, where he founded and served as General Manager of DoubleClick Ad Exchange, and was instrumental in the company’s $3.2 billion sale to Google in 2007.

Philippe Finkelstein

Philippe Finkelstein

Ex Co-founder, Altavia

Philippe Finkelstein was co-founder of Altavia, the leading independent international group specialised in commercial communication for retailers, which he has led over 20 years.

In 2009, he launched Coss Border Network, a company specialized in supporting the development of tech companies in the US from a business and marketing standpoint.

Paul Taylor


Ex-President, Fast Growth & Emerging Markets SAP, ex-CEO Altavia

After 35 years in senior management roles with global software leaders, Jimmy is now a mentor to entrepreneurs.

He was previously President, Fast Growth & Emerging Markets at SAP, Chief Executive Officer at ALTAVIA and Senior Vice President, Western Europe, Middle East & Africa at ORACLE.

Stanislas de Quercize

Stanislas de Quercize

Ex-CEO Cartier, ex-CEO Van Cleef & Arpels

Stanislas de Quercize is a Board-Member. He has been managing an investment fund dedicated to digital disruptive start-ups. He is a Start up mentor and coach within the Réseau Entreprendre, Ashoka and the Raise Foundation.

Stanislas has been President and CEO for 25 years in France, the United States and especially President and CEO of Van Cleef & Arpels and Cartier. He is also the Founder and Director of a Foundation hosted by the Fondation de France.

Paul Taylor

Pierre Conte

Ex-CEO d’Editis, ex- Country Manager France WPP, ex CEO d’OMD (Omnicom Group)

Pierre Conte was previously CEO of Editis, second French publisher, Country Manager France of WPP, the world’s leading marketing services group, and CEO of OMD France, Omnicom Group’s main media agency. In the media world, Pierre Conte was Deputy Managing Director and member of the Management Board of the Figaro Group in charge of advertising, development and digital transformation. He also had the role of Deputy Managing Director and member of the Management Board of RTL.

He is currently President of the Center for the Study of Advertising Media (CESP).