Our leadership team combines more than 65 years of extensive industry experience, both technical and historical, with a unique focus on the fiber-cement industry world-wide. We conduct our business with integrity and with a strong ethical compliance culture. Our leadership team actively nurtures our core values throughout the company, and we encourage synergies in a collaborative, team and goal-oriented environment, where everyone’s strengths become the success by the company, and for our partners around the world.

Oliver Haggenmüller, CEO

Oliver was born into the fiber cement world and knows every corner of the industry. He joined Ramatex in 2007 and took over the family business from his father, Ulrich Haggenmüller, another industry heavy-weight, in 2016. Asides representing Ramatex, Oliver frequently consults stakeholders in finding solutions to various industry-related issues and trends.


Oengus Ramsay, Office Manager

With more than 20 years of finance and controlling experience from various companies, both in Switzerland and internationally, Oengus manages the accounting and finance of Ramatex since 2012.

Jonathan Pettitt, Operations Manager

Jonathan has more than 20 years of experience in logistics and international shipping and has spent several years in Asia, and has been with Ramatex since 2018. He handles our logistics and shipments and has continuously been able to assist our stakeholders in improving their cost structures around the world.