Our Team


The firm’s Principal, William Bethurum IV PE is recognized as an expert in the design of large scale facilities. Mr. Bethurum has more than 29 years experience  throughout a wide variety of industries including oil & gas, industrial process and manufacturing, water/wastewater, advanced technology, governmental, commercial, mission critical facilities and data centers.

Returning to Southern California after college Mr. Bethurum began his career designing oil and gas facilities while studying finance at Cal State Long Beach where he was a member of Beta Gamma Sigma academic honor society with 4.0 GPA. During his first year out of college he was lead engineer on a $30M water processing project for a major Los Angeles refinery. After returning to Arizona in the mid ’90s he joined with former employer Jacobs Engineering to design local microelectronic facilities. He started Industrial Power Engineering Corp. (later renamed General Power Engineering) in 1996. A subsequent partnership with Day and Zimmermann Int’l. led to a lead engineering position at Intel Fab 12 and design of large scale microelectronic facilities including a $60M microelectronic facility for Motorola in Austin, TX. In 2006, partnering with local process engineer, RT Engineers, he engineered a $90M, 8MGD wastewater treatment facility expansion for the City of Surprise. In 2012 he completed an $80M mission critical facility located in Phoenix. Major clients include or have included,

Motorola Phoenix, AZ/Austin, TX, Arco Los Angeles Refinery, TRW, Mobil Torrance Refinery, Southern California Gas Co., Maricopa County, Shutterfly, Southern California Edison, Medtronic, SAS, City of Surprise, City of Phoenix, ON Semiconductor, State of Arizona, Valero, WL Gore, Iridium, Nextel, Praxair, ASM, YMCA, Tokyo Electron, FujiFilm, Hilton Worldwide, and many regional architects, private corporations, and investors.

By way of industry credentials, Mr. Bethurum is a graduate of Arizona State University and is a registered electrical engineer in the states of Arizona, California, Nevada, Colorado, and member of National Society of Professional Engineers, International Association of Electrical Inspectors (Associate), and Illuminating Engineering Society.

Personal interests include architectural design, construction, running and strength training, and golf. Married to wife Katrina with a family of four children, Jacob, Sydney, Isabella, and Gianna. Pets include (2) large dogs, (1) cat. Personal accomplishments include a solo descent of KT22 peak in Squaw Valley in near darkness at the age of 10. A former surfer, skater, and bass player. A life long LA Dodgers fan.

East Saile – Senior Technical Designer. Enjoys macro & landscape photography, off-roading, jet-skiing and is an avid sports fan.

Jasmine Downing – Executive Administrator. Enjoys traveling, new adventures, inspiring others to K.O.P. (keep on pushing) and live by the motto, “Make your next move your best move.”

Derrick Tang – Electrical Engineer. A graduate from Arizona State University with a degree in Electrical Engineering. Enjoys to travel around the world, experience different cultures and try different foods.

Lisa Urquijo – Project Manager. Mother of four young ladies, enjoys travel and adventure, especially if it involves country dancing or scuba diving.

Cruz Espinosa – Electrical Designer.  A student at Arizona State University. Enjoys playing the guitar, snowboarding during the winter, and taking trips to California to go surfing.