Our Executive Board, the highest level of executive management for our Group, sets the strategic framework to the Chief Executive Officers, who spearhead each business unit and assume direct responsibility for performance as well as operational quality and effectiveness.


Executive Board


Heinrich Jessen, Chairman

Heinrich Jessen started his career as a tropical biologist before joining the family enterprise in 1995. In Jebsen & Jessen, he has worked as group director – environment, health & safety, general manager of two of the group’s packaging companies and regional managing director of its material handling joint-venture MHE-Demag. He has been chairman of Jebsen & Jessen’s executive board since 2010. He is also partner and director in the four other independent business groups that together make up the Jebsen & Jessen Family Enterprise.

Mr Jessen is a member of the Eastern Asia Review Commission of Air Liquide International and an Advisor to the Singapore Institute of International Affairs. He is also a member of the Yale University President’s Council on International Activities and a member of both the Steering Committee and the Dean’s Leadership Council of the Yale School of the Environment. He is Past Chairman of the Young President’s Organization Intercontinental Chapter and has previously served on the boards of the Singapore National Employers Federation, the United World College of South East Asia, the Parkinson’s Disease Society of Singapore and the Singapore Environment Council. He was awarded Singapore Businessman of the Year in 2016.

Mr Jessen earned a B.Sc. from George Washington University and an M.E.M. from Yale University.

Per Magnusson, Group Chief Executive Officer

Per Magnusson has been with the group since 2008 and has been a member of the Executive Board since 2015. Mr Magnusson is responsible for the Technology, Packaging, and Life Sciences business units as well as the emerging markets and group functions such as Finance, HR and Strategy.

Mr Magnusson is also a member of the board of the global mining and abrasives group GMA Garnet, a council member of the Singapore Business Federation and is the chairman of the Singapore International Chamber of Commerce.

Mr Magnusson is a Swedish citizen and holds Master’s degrees in Electrical Engineering from top-ranked universities in Sweden (Chalmers University) and Canada (University of Waterloo). He also holds a Master’s degree in Business Administration from Uppsala University, Sweden.

Chief Executive Officers

Our regional business units operate autonomously, unified by our corporate values and business principles and code of conduct. Interwoven networks, integrated IT platforms, effective branding and proven leadership styles make all the difference in the face of competition.

Marc von Grabowski


As of 1 January 2022, Mr von Grabowski has taken over the reins from Heinrich Jessen, who acted as interim Chief Executive Officer of JJ-LAPP, and is now leading the joint-venture through the next strategic growth phase and driving strong top and bottom-line growth.

Formerly the Chief Strategy Officer for the Jebsen & Jessen Group, and Regional Director of the Turf & Irrigation Division of Jebsen & Jessen Technology, Mr von Grabowski is now directing his full focus towards leading and growing the cable business, strengthening its product offerings and solutions.

He started his career with our material handling joint-venture MHE-Demag in the Philippines in 2009 and, by 2015, had risen through the ranks to become President. Mr von Grabowski earned a Master’s degree from Columbia Business School. ► Email contact


Lim Siew Tin

Jebsen & Jessen Ingredients

Lim Siew Tin assumed the position of Chief Executive Officer for Jebsen & Jessen Ingredients on 1 January 2021. Beginning in 1997, Ms Lim’s journey in the company has spanned almost 25 years, and several leadership roles throughout the family enterprise, including General Manager of Jebsen & Jessen Ingredients in the Philippines (2010-2012) and Indonesia (2012-2014). In 2014, she took on the roles of Key Principal Manager, Regional RBU Controller and Jebsen & Jessen Ingredients Board Secretary. In 2015, she became the Managing Director of Jebsen & Jessen Ingredients in Singapore and Malaysia, then Chief Operating Officer in 2020 before reaching her current position as CEO. Email contact

Jebsen & Jessen - Jakob Helms

Jakob Helms


Jakob Helms oversees the Malaysia based life sciences business unit since 2012. Mr Helms joined the group’s engineering division in 2000, transferring to JJ-Lurgi as General Manager – Operations in 2002. JJ-Lurgi,  Jebsen & Jessen Group’s  joint venture with Air Liquide, is a full-fledged engineering practice and leading innovator in the field of oils & fats, oleochemicals, and biodiesel. With a branch office in China, the company delivers projects for customers across the region and beyond.  Email contact

Jebsen & Jesses - Chui Tau Siong

Chui Tau Siong

Jebsen & Jessen Packaging

Chui Tau Siong has more than 30 years of experience in designing and manufacturing packaging solutions. He is in charge of managing operations of the packaging business unit across South East Asia, overseeing more than 600 people. Mr Chui has successfully completed a number of mergers and acquisitions such as Broadway in 2002, Labplas in 2011 and PT Indo Tirta Abadi in 2020. ► Email contact


Per Magnusson

Jebsen & Jessen Technology

Per Magnusson is responsible for the operations of Technology business unit across the region. Mr Magnusson is a Swedish citizen and holds a Masters degrees in Electrical Engineering from top-ranked universities in Sweden (Chalmers University) and Canada (University of Waterloo). He also holds a Master’s degree in Business Administration from Uppsala University, Sweden. ► Email contact

Internal Management

Our Group’s Central Services Unit support the regional framework that enables our businesses to thrive. Providing functional, strategic and infrastructure support they enable our Regional Business Units to focus their attention on serving customers.
Jebsen & Jessen - Viktor Leendertz

Viktor Leendertz

Chief Financial Officer

Viktor Leendertz is the Chief Financial Officer of Jebsen & Jessen Group.Mr Leendertz takes on overall responsibilities for the Group’s financial, IT and risk infrastructure, including accounting, treasury, IT, corporate and legal affairs, internal audit and the country Business Services Units.

Prior to joining the Group, Mr Leendertz was Group Chief Financial Officer at DyStar, a Singapore headquartered dye and chemical group.


Olivia Chua

Chief Human Resource Officer

Olivia Chua is the Chief Human Resources Officer of Jebsen & Jessen Group and has close to 20 years of experience working with Accenture, Hay Group and Towers Watson.

Based in Malaysia, Ms Chua is responsible for the Group’s human capital initiatives. Prior to joining the Group, Ms Chua was Senior Vice President and Head of Human Resources for Valiram Group.