Author of two free utilities to help electrical engineers:

• Identiconn™ Connector Identification Utility
• Partnumber - assigns significant part numbers to components

Author of technical books:

• Battery Management Systems for Large Lithium Ion Battery Packs
• Lithium-Ion Batteries and Applications - Batteries
• Lithium-Ion Batteries and Applications - Applications
• The Electronic Connector Book (upcoming)

Designer of Li-ion BMSs for Elithion

Programmer by necessity, rather than choice.