Bill Brooks PE, has 35 years of experience designing, installing, and evaluating grid-connected PV systems. More than 15,000 installers and inspectors have attended his courses throughout the U.S. and abroad. His field troubleshooting skills have been valuable in determining where problems occur to focus training on those issues of greatest need. He has written several important technical manuals for the industry that are now widely used throughout the United States and beyond. His recent publications include the Expedited Permit Process for PV Systems, the Field Inspection Guidelines for PV Systems, and Understanding the CalFire Solar PV Installation Guidelines, as well. He is actively involved in the developments of PV codes and standards including IEEE-929 and IEEE1547 (PV Utility Interconnection), the National Electrical Code (NEC) Article 690 (Solar Photovoltaic Systems), and IEC TC82 (international PV standards). Mr. Brooks is an active participant on many codes and standards panels including Code Making Panel 4 of the National Electrical Code, UL1703 and UL1741 Standards Technical Panels, and IEC TC82 Working Group 3 and 6. He holds B.S. and M.S. degrees in Mechanical Engineering from North Carolina State University and is a registered Professional Mechanical and Electrical Engineer.