Marc Theis is Executive Director, Client Group Switzerland at Janus Henderson Investors. Prior to assuming his current role in 2023, he was a sales director for Germany & Austria responsible for developing the intermediary business in those regions from 2018. Before joining the firm, Marc was a sales director at Bantleon Bank from 2017. Before that, he spent four years with MainFirst Bank, most recently as sales manager for southern Germany and Austria intermediary business from 2015.

Marc received a Bachelor of Science degree in international business administration from Frankfurt School of Finance & Management and a Master of Science degree in international economics and finance from the University of Queensland. He has 14 years of financial industry experience.