Vanner Inc.
Rock Siler-Wurst is a seasoned professional in materials planning with a strong background in logistics and management. Currently serving as a Senior Materials Planner at Vanner Inc. since June 2016, Rock has developed expertise in supply chain management. Prior experience includes a decade at Crothall Healthcare, where Rock held the positions of Director of Patient Transport and Environmental Services Manager at Nationwide Children's Hospital. Additionally, Rock gained valuable experience as an Executive Assistant Manager at Walgreens from January 2003 to May 2005. Rock earned a Bachelor of Science in Business Administration with a focus on Transportation and Logistics & Marketing from The Ohio State University Fisher College of Business from 1998 to 2003.
Vanner Inc.
Vanner has been delivering engineering excellence in power conversion and power transformation for commercial vehicles in nine markets since 1977. Vanner is a leader in commercial transportation and designs and delivers patented high quality, cost-effective and environmentally responsible products and services in the U.S. and around the world. We are problem-solvers who work closely with companies of all sizes in each market to design, develop and deliver an advanced line of custom and standard power transformation products and solutions including: High Voltage DC-DC Converters, Idle-Reduction Systems, Ultracapacitor Start Assist Systems, Model-based Battery Monitoring, Battery Equalizers with Internal Battery Monitoring and J-1939 CAN Bus Communication, and our broad offering of AC Power options. We also deliver best-in-the industry static and dynamic inverters, battery chargers, isolators, converters, equalizers, throttles and accessories.