On this page you will find the members of the:

Executive Management Team

The daily leadership of TIAS School for Business and Society is in the hands of the Executive Management Team: 

Jenke ter Horst

Jenke ter Horst, Vice Dean TIAS

Prof. dr. Jenke ter Horst is the Dean & Director of TIAS School for Business & Society. He is responsible for providing leadership to management in defining the strategic course, the daily activities and the performance of TIAS.

Jenke is a professor of Finance. In the past, his research has focused primarily on portfolio management and he has published on Mutual Fund and Hedge Fund performance. In recent years, he has largely focused his research activities on socially responsible investing.

Jenke ter Horst: 'TIAS’ ambition is to become the European "go-to school" in the field of business transformation that serves society. A wonderful and exciting challenge, which I am happy to commit to.'

Charissa Freese

Charissa FreeseProf. dr. Dr Charissa Freese is Vice Dean of TIAS School for Business & Society. She is responsible for Faculty, Education and Research.

Charissa is a professor by special appointment of HRM & Social Security 1 day a week at Tilburg University. Her research focuses on the role of HRM in creating an inclusive labor market for non-standard workers, such as migrant workers, refugees, flexible workers, the self-employed and people with disabilities.

Charissa Freese: 'I would like to contribute to a professional and pleasant working and studying climate within TIAS School for Business & Society, whereby we provide top-quality education and conduct research that is relevant to organizations and society.'

Edwin Gerritsen

Edwin GerritsenDrs. Edwin Gerritsen is Director Business Operations at TIAS. As a member of the Executive Management Team, his focus is on operations management. A Business Economics graduate from the University of Groningen, Edwin’s professional career spans over 25 years of accumulated experience across numerous roles in Operations, Finance and General Management. He is a seasoned executive with a successful track record in the sports management and executive education industries.

Supervisory Board

The Supervisory Board of TIAS consists of the following members:

  • Peter Vrijsen
  • Ellen Soerjatin
  • Marika Arvelid
  • Arthur van Benthem (chairman of the Remuneration Committee)
  • Hans Janssen (chairman of the Audit Committee) 

Peter Vrijsen

Peter Vrijsen - Raad van commissarissen TIASPeter Vrijsen studied Human Resources at Tilburg University. In 1981 he started his career at DSM, after which he held various HR positions at Medtronic and General Electric (including GE Plastics Europe) and others.
In 1998 Peter joined Metro as a member of the Executive Board of Directors at Metro Cash & Carry in Germany, where he was in charge of HR. In 2003 he became the Chief People Officer of InBev S.A. in Belgium. From 2007 to 2014 he was Chief HR Officer at Cargill in the U.S.A. In 2014, Peter returned to DSM as the Chief Human Resources Officer and a member of the Executive Committee. 


Ellen Soerjatin

EllenEllen Soerjatin studied law and French language and literature at the University of Utrecht. She has been a lawyer since 1993, most recently at the boutique law firm Evers Soerjatin N.V., which she co-founded. Ellen specializes in the resolution of corporate law disputes and professional liability of business service providers. She is regularly appointed by the Enterprise Chamber of the Amsterdam Court of Appeal in inquiry proceedings as an investigator or manager of shares. Ellen is a lecturer at the Grotius Specialization Course in Corporate Litigation, and publishes frequently on the inquiry procedure, shareholder disputes and corporate governance. In addition to her work as a lawyer, Ellen performs various additional activities (including supervisory positions).

Marika Arvelid

Marika Marika Arvelid obtained an MSc in Business Administration from Jonkoping International BusinessSchool, Jonkoping University in Sweden in 2001 and subsequently completed various post-graduate studies including the Advanced Human Resources Program at TIAS. She has been working for several leading international multinationals such as Philips, NXP and Ericsson for more than 20 years. Marika has been working in the energy industry since 2013, where she has held various Executive Management positions in the areas of people, organization and digital. She currently serves as Vice President Digital Empowerment Strategy & Engagement for the E.ON group. For the past seven years, she has managed the digital transformation at E.ON at corporate level, with a focus on the human and organizational aspects.

Arthur van Benthem

Arthur van BenthemArthur van Benthem is CEO and co-owner of Dunlop BV since 2019, and previously served as COO and member of the Executive Board at Imperial Brands PLC, a FTSE 20 company in the United Kingdom. Arthur has lived and worked over 25 years in various countries in Asia / Pacific and Europe and has extensive leadership and consumer marketing experience with the Coca-Cola Company, the Metro Group and FrieslandCampina. Mr. van Benthem obtained his Masters degree in Business Administration from Erasmus University in his native the Netherlands in 1991 and has since then completed various postgraduate studies including the Leadership Development Program at Wharton Business School. 

Hans Janssen

Hans JanssenHans Janssen graduated in business economics from Tilburg University in 1990 and has subsequently followed various post-graduate studies in the field of Finance & Control and Management, including the Register Controller course at VU University Amsterdam and the Advanced Management Program at Harvard Business School. Hans joined Unilever N.V. in 1991, where he held various financial positions in the Netherlands and abroad, and lastly the role of CFO of Unilever Benelux. In 2008 he switched to Mediq N.V. for the position of CFO. Since October 2017 Hans is a member of the Executive Board / CFO of Heijmans N.V. Since May 2021 Hans Janssen is CFO at Royal FrieslandCampina.


For more information:
Corine Schriks (secretariaat Raad van Commissarissen): per email or phone +31 13 466 86 10 

Programs at TIAS School for Business & Society

Are you ready for the next step in your career and do you want to create more impact in business and society? TIAS has developed a wide and varied range of courses and learning paths for this purpose. Including MBA courses, Executive Masters, Advanced Programs, InCompany, Modules and Masterclasses. We offer courses and learning paths that match your ambitions, learning goals and career phase.

Our programs

Brochure TIAS School for Business & Society

Get to know TIAS: The business school for tomorrow's leaders.