Management Team

Bob Geiger

Bob Geiger joined STW as Chief Operating Officer in mid 2009. He is responsible for all of STW’s business and operations in the Americas. Dr. Geiger has a wide variety of experience in high tech industry, with stints as Vice President and General Manager at Harbinger Corporation, Brokat Technologies and nuBridges, as well as other management positions at Harris Corporation and Singer Link. A former nuclear submarine officer, Bob is also an inducted member of the Georgia Tech Society of Distinguished Engineering Alumni, and a member of the research honor society Sigma Xi. He has engineering degrees from Stanford, MIT and Georgia Tech, and has done an executive management course at The Wharton School.


Julia H. Ceaser-Bolster

Julia H. Ceaser-Bolster is Vice President of Finance, Administration and HR of STW. She was part of the original start up team that established STW Technic’s presence in the United States, coordinating a wide spectrum of activities involving Finance, Human Resource, IT, Administration and Logistics. Before joining STW, Julia worked with the German American Trade Center helping German companies understand and embrace the U.S. business culture. She was instrumental in the successful start up of many US Subsidiaries of German Companies including direct suppliers to BMW, Greer-SC and Mercedes, Tuscaloosa-AL as well as suppliers to Ciba Geigi in Georgia. Julia is originally from Kassel, Germany and lived in New York and New Orleans before moving to Atlanta.


Jason Groeninger

Jason has been with STW Technic a number of years. He started as an Application Engineer and worked on a variety of implementation projects with customers. He has deep experience in all of the STW products – controllers, I/O modules, displays and sensors – and is using that experience, along with his strong commitment to customers, to manage our customer support efforts and maximize customer satisfaction.  Jason has a degree in electrical engineering from Georgia Tech.


John Sibiski

John is STW Technic’s Head of Sales and Marketing.  John is a veteran of the mobile controls world with a long history of increasingly senior sales and marketing positions. John has an electrical engineering degree from the University of South Florida.  He joined IFM immediately after graduation and began work in the industrial sensor world.  His extraordinary success in technical sales resulted in subsequent promotions to branch and regional sales management.  When IFM entered the mobile controls marketplace, John was chosen to launch the effort and did a great job building IFM’s business in this new area.  Since joining STW Technic in early 2010 John has already had a big impact on our growth and success.


Andres Rojas

Andres RojasAndres Rojas is STW’s Engineering Manager. Andres is responsible for overseeing all activities within the Engineering department and coordinating the efforts of our engineering staff. Andres started with STW in 2010, working initially as an application engineer assuring client satisfaction and supporting the engineering team in its development efforts. He moved on to become the project manager for our engineering team and helped guide our internal project development. Andres has helped our company implement processes that create organization within our team and improve our internal communication, customer support experience, and project management tasks. Originally from Colombia, moved to Miami in 2003 and later transferred to Atlanta in 2008 to pursue his education in Electrical Engineering at the Georgia Institute of Technology.