Marco Veremis

Upstream Co-founder and

Executive Chairman of the Board

Marco is Upstream’s Co-founder and Executive Chairman of the Board, driving the corporate development agenda of the company. Marco served as Upstream’s CEO until June 2017. Prior to founding Upstream, Marco was a marketing strategist with Omnicom, WPP and IPG, where he developed global communication strategies for brands such as Nestlé, SmithKline Beecham, Johnson & Johnson and Sony Electronics. Marco is a partner at BigPi Venture Capital and an active angel investor and member of the board in technology companies such as Persado, Workable and Hellas Direct. In parallel, Marco is the President of SEN/Junior Achievement Greece and a Board member of the Hellenic Federation of Enterprises (SEV), of the Foundation for Economic and Industrial Research (ΙΟΒΕ), of Endeavor and of the research and policy institute diaNEOsis. Marco has been awarded with the EY Greek “Entrepreneur of the Year” award, in 2013. Marco holds a BA in Politics and International Studies from Warwick University and an MPhil in European Studies from Oxford University.

Alex Vratskides

Co-founder & Board Member

In his role as Board Director, Alex assists the management team with Upstream’s corporate development. His current operational role is CEO of Persado, a leading cognitive content platform, which he founded. He co-founded Upstream in 2001 and served as the company’s CEO from 2004 to 2012. Prior to Upstream, Alex worked as a management consultant at OC&C/McKenna Group, based out of Boston. He is the first angel investor for Lulu, where he is also a board member, and he serves on the board of advisors of Seyyer and Workable HR. Alex holds a Bachelor’s degree in Applied Mathematics from Columbia University and a Master’s in Operations Research from Cornell University.

Guy Krief

Chief Executive Officer

Guy is Upstream’s Chief Executive Officer. He drives Upstream’s strategic vision and growth into new geographies and products. Guy joined Upstream in 2004 and since then has served in multiple Product and Innovation roles. Prior to becoming CEO, Guy held the position of Upstream’s Chief Innovation Officer.
Guy has also co-founded Persado, a Bain Capital Ventures backed company, where he has served as the company’s SVP of Product & Innovation, in charge of product management, algorithmic research, and software development.
Guy has followed a diverse career path, which has seen him own a French pastry shop, found a messaging start-up, write and star in his own TV comedy series and host his own radio show. He was also previously a marketing manager for Wanadoo, France Telecom, in Paris, which became Orange. Guy holds a Master’s degree in Social Psychology from the Sorbonne in Paris.

Ali Mazanderani

Board Member

Ali is a Director at Actis, having joined in 2010. He is the sector lead for financial services transactions in Africa and has been instrumental in several transactions including the investments in EMPH, PayCorp, CSH and Upstream. Current board directorships include Upstream, CSH and PayCorp. Before Actis, Ali was Lead Strategy Consultant for First National Bank in Johannesburg. Prior to that, he advised private equity and corporate clients for OC&C Strategy Consultants in London. Ali has an undergraduate degree in Economics from the University of Pretoria, a Masters in Economics from Oxford University, a Masters in Economic History from the London School of Economics, and an MBA from INSEAD.

Richard Wilson

Board Member

Richard is an investor in and Non-Executive Director of Upstream. Previously he was a private equity and venture capital professional for 17 years at Apax Partners, ultimately heading the Tech & Telecom Practice worldwide and serving on Apax’s Investment, Portfolio and Exit Committees. During this period, he was a board member of buy-outs such as Inmarsat (satellite operator), TDC (Danish telecoms provider) and NXP Semiconductors, as well as a number of small high-growth companies such as Autonomy (enterprise software). Recently he has been a board member of PA Consulting Group and was Chairman of its Compensation and Succession Committee. In 2009-10 he was Chairman of EVCA, the European Private Equity and Venture Capital Association, and Chairman of the Public Affairs Executive. Richard holds an MA in Engineering from the University of Cambridge and an MBA from INSEAD.


Other Board Members: Fabian Sires, Ingrid Moinet, Geneviève Koschnicke