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This is the Trimergo Team when the company was founded in 2001. It has significantly grown since then (our clothing is more modern too) but what has not changed is our passion for what we are doing – creating an ideal software so that our customers, industrial project-based companies, can deliver their projects on time and on budget.



Everyone on the Trimergo Management Team demonstrates outstanding experience in ERP/CRM, project management, and planning. This combination of expertise ensures the steady focus and quality of Trimergo’s software.

Gino Keijzer – CEO
Gino Keijzer (1966) studied econometrics at the university of Tilburg, the Netherlands. His international experience has been formed by holding various positions in Singapore, Chile and France. From 2000 till 2007 he had been working as a director of Marsh McLennan companies in the Netherlands, market leader in insurance and risk management where he was responsible for various policies. From 2007 till 2014 Gino had been managing director of UNIT4, world-wide supplier of ERP and business software, for which he was responsible for all activities in France. From 2015 on Gino has been CEO of Ridder Data Systems, market leader in ERP software for manufacturing companies in the Benelux countries. Starting from 2018 he is also CEO of Trimergo and the Trivest Software Group.

Jelle Koning – Operations Director
Jelle Koning focuses on the long-term product development and strategy in Trimergo software. Jelle has substantial experience in the ERP market having worked, among others, for AB Software and Consultancy, an Exact ERP partner in the Netherlands. Jelle’s experience is supplemented by a thorough knowledge of customer-request-driven production environments. Jelle holds an engineering degree in Mechanical Engineering and a master’s degree in Business Administration from the University of Groningen, in the Netherlands.
As Manager Operations, Jelle is responsible for consultancy and support.

Dennis Geerts – Finance Director
Dennis Geerts (1974) has a Master’s degree in Business Administration. He has over 15 years of experience in accountancy by working for various companies in different industries, amongst others agricultural machinery, rapid prototyping and business to business telecom service providers. Since the autumn of 2017 Dennis is the Finance Director of Trimergo.

Rein-Peter de Boer – Engineering Manager
Rein de Boer joined Trimergo in 2005 as Lead Engineer. In this role, he developed Trimergo’s add-on for SAP Business One, which was sold from Trimergo’s portfolio in 2011. Since 2010, Rein has applied his extensive experience in software development to his current role. He holds a master’s degree in Electrical Engineering from the University of Twente, in the Netherlands.

Scott Frandsen – Manager Americas
Scott Frandsen is responsible for bringing Trimergo to the Northern American market. Scott has an accomplished career as a sales and marketing executive within the U.S. and European technology industry. He began his career at IBM where he worked for eight years in sales and marketing, primarily in the U.S. but also with IBM EMEA. After IBM he was based in Europe as the managing director for the EMEA operations of a U.S. CRM software company. He has lived and worked in Italy, the Netherlands, and the U.K. Scott has a master’s degree in engineering and an MBA from Northwestern’s Kellogg school.


Trimergo develops and implements innovative
ERP software for Project-Driven Companies

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