Demetri Tsirlis

Overview

Demetri Tsirlis serves as CEO at wappier[1], a position held since October 2021[3]. Tsirlis is a growth-stage SaaS operator with over 15 years of experience scaling businesses through critical inflection points, with a demonstrated track record in owning full P&L responsibility, restoring financial discipline, and building repeatable revenue[2]. At wappier, Tsirlis previously held the position of Chief Product Officer from October 2020 to October 2021[4] and VP of Customer Success from January 2015 to October 2020[5]. Earlier career experience includes roles at Velti as Senior Client Services Manager and Project Manager for Large Scale Campaigns[6][7], and positions at Metadata S.A. as Project Manager and Project Coordinator[8][9]. Tsirlis holds a degree in Management Information Systems from Drexel University's LeBow College of Business[11] and a degree in Computer Information Systems from The American College of Greece[12].

Career history

1. CEOOct 2021 to presentwappier
2. Chief Product OfficerOct 2020 to Oct 2021wappier
3. VP of Customer SuccessJan 2015 to Oct 2020wappier
4. VSenior Client Services ManagerSep 2012 to Dec 2014Velti
5. VProject Manager - Large Scale CampaignsMay 2010 to Sep 2012Velti
6. MSProject ManagerSep 2008 to May 2010Metadata S.A.
7. MSProject Coordinator / IT SupportSep 2007 to Sep 2008Metadata S.A.
8. CCProduction Assistant for 2004 OlympicsJun 2004 to Aug 2004Camera Corp

Education

1. MIManagement Information Systems at Drexel University's LeBow College of Business2004 - 2007
2. CIComputer Information Systems at The American College of Greece2001 - 2004