Markus Brehler (Chief Executive Officer, Founder)
Markus Brehler started his career in 1989 at Siemens AG, holding a number of management posts. He spent the first eight years in research & development, and became head of development for road traffic telematics systems. He then moved to the Siemens/McKinsey team responsible for restructuring the road traffic technology business unit. Before joining Siemens Technology Accelerator – where he helped prepare the launch of EnOcean – he managed the marketing department of the mobile phone accessories division. A graduate engineer in communications engineering, he has been CEO of EnOcean GmbH since its foundation in 2001.
In the course of his career Markus Brehler has obtained wide-ranging management qualifications at Massachusetts Institute of Technology, Stanford, INSEAD, and the Indian Institute of Management.
Uwe Thumm (Chief Financial Officer)
Uwe Thumm has extensive experience in the fields of business consulting and finance. At EnOcean he is responsible for investor relations, finance and controlling. Before joining EnOcean, Uwe was Chief Financial Officer for Sales & Operations at Siemens Mobile Solutions. Uwe Thumm studied business management at the University of Erlangen/Nürnberg.
Andreas Schneider (Executive VP, Founder)
Andreas Schneider's career has focused on creating markets for innovative wireless technology and developing worldwide sales strategies for the purpose. In the five years before EnOcean GmbH was founded, he was responsible for worldwide marketing of GSM modules at Siemens AG. Prior to that he spent nine years in the global systems and product business of a number of companies - among other things as sales director for trunked radio systems at Rohde & Schwarz BICK Mobilfunk GmbH.
Andreas Schneider studied electrical engineering at Munich Technical University, with a special interest in RF engineering and components. In the course of his career he has obtained various management qualifications, for instance at Massachusetts Institute of Technology, Stanford, INSEAD, and the Indian Institute of Management.
Jim O'Callaghan (President EnOcean Inc.)
Jim O'Callaghan has spent his career building brands, customers and value for a host of innovative technology companies, both public and private. He spent the first dozen years primarily in finance and accounting positions, culminating as CFO participating in two successful IPOs. For the last decade and a half, Jim has worked almost exclusively in sales, marketing and management roles, both with technology and with RF ventures. He is best known as co-founder of Cirque Corporation, the originator of touchpad pointing devices now common on virtually all notebook computers. In 2005 Jim joined EnOcean to establish a North American presence. Jim has a BBA in accounting and a MBA.
Frank Schmidt (Chief Technology Officer, Founder)
Frank Schmidt is a pioneer in energy harvesting and the visionary in management team of EnOcean. As Chief Technology Officer he is responsible for the overall technical orientation, patent related activities as well as the relationship management with educational, research and scientific organizations. Before joining EnOcean he was at the Central Research Department of Siemens AG where he created the self-powered wireless sensor technology as early as 1995. He has been granted more than 40 patents for his energy harvesting inventions and is the author of numerous technical publications in this field. Frank is a Physicist and studied at the Technical University of Chemnitz, Germany.
Dr. Matthias Heiden (VP Engineering)
Dr. Matthias Heiden is responsible for research & development at EnOcean. Previously he was in leading positions in the storage market at various international companies. At IBM Germany he managed the technical customer support, quality management and product engineering for mass storage devices. At Digital Equipment (DEC) in Europe he supported the technical market introduction of RAID-storage systems.
Matthias implemented international research projects at the European Organization for Nuclear Research (CERN) and at Lawrence Berkely National Laboratory (LBL) in California.
Armin Anders (VP Product Marketing, Founder)
After graduating in electrical engineering – with a focus on information and communication technology – at Karlsruhe University, Armin Anders spent a number of years as marketing manager for microcontrollers at Siemens AG. He then worked as a project manager for Siemens Corporate Technology, spent an interim period as assistant to the central executive, and then joined Siemens Technology Accelerator GmbH as a venture manager responsible for startups.
Armin Anders is one of the five EnOcean founders and drew up the business plan for the company.
Graham Martin (VP Strategic Alliance)
Graham Martin is a veteran of the electronics industry with more than 25 years' experience in analog and RF solutions. Before joining EnOcean, he held various engineering and marketing posts in the USA and Europe. Most recently he was responsible for business development at wireless sensor networks spe-cialist Chipcon. At the same time he was president of Figure8Wireless and vice chairman of ZigBee Alliance.
Graham Martin studied in the USA and Britain, and graduated in physics at Edinburgh University, Scotland.
Klaus Weltsch (VP Quality Management & Manufacturing)
Klaus Weltsch has been the vice president quality management at EnOcean GmbH since April 2009. He is the contact person for all inquiries concerning the QM system, responsible for assuring and constantly optimizing product quality and manufacturing processes. Klaus has more than 20 years‘ practical experience in quality management. He was previously quality manager for a leading manufacturer of innovative security technology. Klaus holds a degree in precision engineering.
Oliver Sczesny (Project Manager, Founder)
Oliver Sczesny is Project Manager at EnOcean and responsible for project execution – from development to market. He makes sure that innovative ideas become products. Oliver has specialized in high frequency technology, especially layout, simulation and testing of high frequency circuits and aerials. He spent 9 years at the Central Research Department of Siemens AG before co-founding EnOcean.
Oliver Sczesny graduated in electrical engineering at the University of Würzburg-Schweinfurt.
















