Management
Sales, Marketing and Product Management

Vice President
Dr. Thomas Renner
With a background in ultrashort laser development and applications in physical chemistry (PhD under Prof. Bräuchle, University of Munich), Dr. Thomas Renner has earned his first commercial merits at Baasel Lasertech, where he started as group leader in R&D. He was promoted to the head of the Innovation and Marketing department and developed various markets for the laser micro processing department of Rofin. Dr. Thomas Renner joined TOPTICA in 2005 and has since then left his strong mark in TOPTICA's market approach.
Research and Development

Vice President
Dr. Patrick Leisching
With his roots in ultrashort laser physics at Technical University Munich (Profs. Zinth, Kaiser), PhD in the THz group of Prof. Kurz at RWTH Aachen, first PostDoc position in Paris at the Ecole Polytechnique (Prof. Flytzanis) and developing fiber lasers at Max-Born-Institute Berlin (Prof. Elsässer), Dr. Patrick Leisching has gained his industrial experience as research scientist, project leader and department head in the telecommunication industry with Siemens and later also at Nokia Siemens Networks. Dr. Patrick Leisching joined TOPTICA in March 2010 and he is the driving force for our technology development spanning the full width of the TOPTICA product spectrum.
Production and Logistic

Vice President
Walter Kraus
Walter Kraus, an optical engineer by training, has the longest industry record at TOPTICA with leading positions at Rodenstock, Siemens and Carl Baasel Lasertechnik. When joining TOPTICA in 2000, Walter Kraus was responsible for the transition of a purely scientific-oriented company at the time to an industrially certified manufacturer. The establishment of a formal quality management and the ISO 9000:2001 standard at TOPTICA is guaranteeing that the company is fit for future demands.
TOPTICA USA

President Toptica Photonics Inc.
Mark A. Tolbert
With a strong engineering and management background from the University of Rochester, Mark started his career in plastic optics as Director of Sales and Marketing with Germanow-Simon Corporation. His management interests and skills, brought him then to a leading position first within Burleigh and then with EXFO, where he held the position of Director of Business Development, with particular emphasis on the scientific product lines and international business. At EXFO Burleigh Instruments Mark developed various OEM and R&D markets for the automation, nano-technology and biophotonics markets. Mark Tolbert joined the TOPTICA group in 2006 as the Director of OEM Sales and since 2007 he is leading TOPTICA Photonics Inc. as President/CEO of the US operation.
