William Gueissaz Email & Phone Number
Co-Founder, head of sales @ Headswap
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
William Gueissaz Location
- Zürich, ZH, CH
William Gueissaz Work
- Co-Founder, head of sales @ (June 2022 - Present)
- Project and Account Manager @ (September 2021 - September 2022)
- Entrepreneur In Residence @ (March 2021 - September 2021)
- Junior Product Manager @ (November 2019 - January 2021)
- Intern (40%) @ (April 2018 - September 2018)
- Startup scout | START Summit @ (August 2017 - June 2018)
- First lieutenant, mechanized exploration @ (March 2013 - March 2014)
- Internship @ (September 2012 - December 2012)
- Internship @ (July 2011 - August 2011)
William Gueissaz Education
- University of St.Gallen
Master of Arts HSG in Business Management (MUG) (Économie)
2017-2019 - Universidad Pontificia Comillas
(Administración y Dirección de Empresas - Business in Spain)
2016-2017 - HEC Lausanne - The Faculty of Business and Economics of the University of Lausanne
Bachelor en Management (Journalist for Innovation Time (Student entrepreneur online review))
2013-2016
William Gueissaz Summary
- William Gueissaz, based in Zürich, ZH, CH, is currently a Co-Founder, head of sales at Headswap. William Gueissaz brings experience from previous roles at Well Gesundheit AG, Triodos Investment Management and Swiss Association for Responsible Investments. William Gueissaz holds a 2017 - 2019 Master of Arts HSG in Business Management (MUG) in Économie @ University of St.Gallen. William Gueissaz has 2 emails and 2 mobile phone numbers on RocketReach.
Looking for a different William Gueissaz?
Find contact details for 700 million professionals.
Top Headswap Employees
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co