Multidisciplinary Approach

Our Approach

Knowing your industry means understanding the stakeholders and constituents that contribute at all levels.  At PowerRox, we embrace this philosophy by utilizing unique and extensive experiences with customers, vendors, and industry contributors the like.  More importantly, knowing what drives and motivates individuals to work in a conducive approach to a team environment are the keys to our successes.

Vision, patience, and empathy are critical traits that have enabled us to build collaborative, meaningful relationships that maximize customer value.

Power is a Small World

Anyone involved with the power electronics industry will tell you it is a small world in which it is critical to have a network of constituents that encompass everything from engineering development to marketing analysis to customer deployments.  Having this network is a core strength of PowerRox.

Meet the Team

Where Experience Meets Pragmatism & Forward-Thinking

BZ Headshot Full

Brian Zahnstecher

Founder & Principal

Brian Zahnstecher is a Sr. Member of the IEEE, Chair of the IEEE SF Bay Area Power Electronics Society (PELS), and the Principal of PowerRox, where he focuses on power design, integration, system applications, OEM market penetration, and private seminars for power electronics.  He has successfully handled assignments in system design/architecting, AC/DC front-end power, EMC/EMI design/debug, embedded solutions, processor power, and digital power solutions for a variety of clients.  He previously held positions in power electronics with industry leaders Emerson Network Power, Cisco, and Hewlett-Packard, where he advised on best practices, oversaw product development, managed international teams, created/enhanced optimal workflows and test procedures, and designed and optimized voltage regulators.  He has been a regular contributor to the industry as an invited speaker, author, workshop participant, session host, roundtable moderator, and volunteer.  He has over 13 years of industry experience and holds Master of Engineering and Bachelor of Science degrees from Worcester Polytechnic Institute.

Talk To Us

Please direct any questions and/or special requests to PowerRox c/o Brian Zahnstecher (, 508-847-5747).  Let us have a conversation to better understand how we can help each other.