Management team

Guido van Tartwijk

Chief Executive Officer

As Tridonic’s chief executive officer, Dr. Guido van Tartwijk is responsible for Tridonic’s day-to-day-operations as well as leading the company’s long-term strategy. He has more than 20 years of international experience in the semiconductor/LED electronics and lighting industry. Prior to joining Tridonic in November 2016, he was CEO of the LED Electronics section at Philips Lighting and held various senior executive roles at Philips Lighting in China and the Netherlands. Before moving to Philips Lighting he worked in several highly innovative start-up companies in both Silicon Valley and in Europe. He has a strong track record in leading and growing innovative teams and businesses across many geographies, and is deeply committed to driving sustainable long-term growth at Tridonic. Guido van Tartwijk holds an MSc in Physics from Eindhoven University of Technology and a PhD in Physics from the Vrije Universiteit, Amsterdam.

Patrick Macdonald

Chief Operating Officer

In his position as Chief Operating Officer Patrick Macdonald is responsible for Tridonic’s four internal production sites in Shenzhen, Jennersdorf, Dornbirn and Spennymoor as well as Global Manufacturing Engineering and Global Supply Chain Management including Third Party sourcing. With more than 25 years of international experience in various executive positions in the manufacturing industry, he has a proven track record of successful change management. Before joining Tridonic, the Scotsman held the position of Executive Vice President in the Mechanical Systems division of a global Electronics Manufacturing Service provider, and was responsible for eleven manufacturing facilities worldwide, leading 4,500 employees.

David Barnby

Senior Vice President Global Sales & Marketing

Since 2013, David Barnby has headed up the global Sales organization for Tridonic. In this role he is responsible for defining the international sales and go-to-market strategy, working closely with customers and partners around the globe. He has more than 20 years of industry experience in international B2B sales, technology marketing, and business development – which he gained mainly in the IT industry with Hewlett-Packard and Pinnacle Systems, as well as in the LED Technology/Lighting industry with Bridgelux.

Hanna Freuis

Vice President Finance & Controlling

Hanna Freuis took over the position as Vice President Finance & Controlling Tridonic in February 2016. She joined Zumtobel Group in March 2001 and was employed as a Controller at Zumtobel AG up until October 2008. Since November 2008 she has been working in the controlling department of Tridonic which she was head of before taking on the position of VP Finance & Controlling.

Steffen Riemer

Vice President R&D Components

With more than 10 years of R&D experience in the lighting industry, Steffen Riemer joined the management team in May 2016. Prior to this appointment he was Managing Director of the Tridonic production site in Jennersdorf and Head of R&D Light Sources. In his new role as VP R&D Components, Steffen Riemer will be in charge of R&D for light sources and drivers worldwide with his teams being located in Shenzhen, Jennersdorf, Spennymoor and Dornbirn. He studied Applied Geosciences (with focus on mineralogy) at the Austrian technical university “Montanuniversität” located in Leoben and also holds an MBA in Generic Management.

Thomas Oelz

Vice President Product Management

Thomas Oelz joined the management team in May 2016 after having held various positions at Tridonic since March 2006. He graduated in electronics at the university of applied sciences NTB in Switzerland in 2005 and worked in Research & Development for seven years. In the following three years he created the product strategy and segment roadmap of the Segment Retail & Hospitality. In his new role he is responsible for the overall global product strategy and worldwide business development.

Michael Larsen

Senior Director Global HR Tridonic & R&D

Michael Larsen joined Tridonic in May 2016 and is responsible for the company’s HR department on a global basis. He holds a degree in international business and has more than 20 years of international HR experience. Michael Larsen started his career in Denmark within the banking industry. He later joined a global HR consulting company advising multinational clients before working for a German DAX 30 company as Project Director. With his excellent commercial understanding and HR know-how he will support the business development of Tridonic and R&D group-wide.

Mathias Burger

Director Product Management Controls

Mathias Burger joined Tridonic in March 2011. He took up his new role as Director Product Management Controls in May 2016 and is responsible for product management for sensors, application software and systems including IP connectivity. Mathias Burger studied economics & technology management at the TU Munich and has more than 10 years of experience in the lighting industry. At Tridonic, he is one of the driving forces to create the future-proof hard- and software platform net4more.