Management
Board of directors
John Quist (CEO)
John Quist (1960) has been CEO at Unica since 2014. Before taking up this position, Quist was Managing Director at VolkerWessels Telecom for five years. Previously he held management positions at KPN and Eircom. Quist studied Econometrics at the University of Groningen, Marketing at the University of Tilburg and Product Innovation at Harvard University. He is also a member of the Supervisory Board of Lely.
Ron van Laar (CFO)
Ron van Laar (1971) has been CFO at Unica since the summer of 2021. Previously he was CFO at Dynniq, former Imtech Traffic & Infra (2016-2021) and at the Dutch engineering and manufacturing company Mirror Controls International (MCi) (2013-2015). Between 2007 and 2012, he was employed as CFO and COO at HealthCity/Basic-Fit. He started his career in 1998 at Telfort, where he occupied a series of financial management positions. He studied Business Studies at Nyenrode Business University, followed by Commercial Economics at VU Amsterdam. Several years later, he qualified as a Registered Controller.
Debby Slofstra (COO)
Debby Slofstra (1974) has been Unica's Chief Operating Officer (COO) since January 2024. Prior to that, she was Country President of Schneider Electric's Dutch office (2021-2024), where she started as Vice President Building in 2017. She was also Commercial Director at Honeywell's Dutch office (2014-2017) and at Imtech Building Solutions (2011-2014). Prior to 2011, she held various positions at companies in the automation industry. Since 2022, in addition to her work, Slofstra has also been chairman of the Technical Association for Heating and Air Treatment (TVVL), a prominent knowledge platform and association of professionals in installation technology. She studied History at the University of Utrecht and holds an MBA from the University of Bradford.
Supervisory Board
Michiel Jaski (president)
Michiel Jaski (1959) has a wealth of experience in heading industry-leading companies in the Netherlands and abroad. His most recent appointment was with the German real estate company OfficeFirst, where he was CEO. Previously Jaski spent four years as CEO of Grontmij, which under his leadership was acquired by the Swedish firm Sweco. Before that, for ten years, Jaski was member of the Board of Management at Arcadis, where he was responsible for various business units in Europe, the United States and a number of smaller offices in the Middle East and Asia. He also held a number of different management positions at Shell and Philips. As well as being Chairman of the Supervisory Board at Unica since 2017, Jaski has been a Supervisory Board member at Royal Reesink, Chairman of the Board of Supervisory Directors at Faber Halbertsma Groep and Chairman of the Board of Supervisory Directors at Rhoon, Pendrecht and Cortgene. He is also Chairman of the Advisory Board at the De Hoge Veluwe National Park and Royal Burgers Zoo. Jaski obtained an M.Sc. in Hydrology from the University of Wageningen and an MBA (with distinction) from INSEAD in France.
Luc Hendriks (supervisory board member)
Luc Hendriks (1963) is Senior Advisor at investment company Triton, where he has been employed since 2007. He has been involved with more than ten companies. Before that, Hendriks worked for eight years as Executive Director at Brambles, Belgium, where he was responsible for a number of European and US companies. He previously spent ten years in a variety of commercial and management positions on behalf of General Electric in the Netherlands, Germany and the United States. Since 2017, Hendriks has been Supervisory Board member at Unica. Hendriks has a master’s degree in Mechanical Engineering from the University of Technology in Eindhoven.
Henk ten Hove (supervisory board member)
Henk ten Hove (1952) was Chairman of the Management Board at Wavin between 2010 and 2013, and a member of the Board from 1999. Prior to that he held a number of other management positions at Wavin in the Netherlands and abroad. Since 2014, Ten Hove has been a Supervisory Board member at Unica. He is also Chairman of the Supervisory Board at small cap fund Alfen and Chairman of the BDR Thermea Foundation, the single shareholder of the BDR Thermea group. Ten Hove studied Economics & Management at the University of Amsterdam.
Executive Committee
Organisational management is coordinated by the Executive Committee, in which alongside the Board of Directors, all cluster directors and shared services directors have a seat. Beyond the Board members the Executive Committee comprises:
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William Swinkels – managing director Unica Building Projects
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Herbert Rabelink – managing director Unica Building Services
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Tom Verschoor – director of Unica Fire Safety
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Hans van Driel – director of Unica Access & Security
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Antoine Brunink – director of Unica Building Intelligence
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Jan Willem Keur – director of Unica Energy Solutions
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René Albers – director of Unica ICT Solutions
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Arjen Bos – director of Unica Industry Solutions
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Arno Uiterweerd – director of Unica Datacenters
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Arnout Vink - QHSE, Security & Risk director
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Caroline Bruins - General Counsel
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Dik Geelen - Procurement & Supply Chain director
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Eric de Kruif - Group Controller
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Sanneke Sarels van Rijn – HRM director
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Susan de Vree - marketing & sales director
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Tijs Zijderveld - IT director
