About LifeSource Water

At LifeSource Water Systems, Inc. we take pride in several principles that define our company. These principles set us apart in the business world and allow us continued success.

LifeSource Water Systems, Inc. has been manufacturing and distributing water treatment products for residential, commercial and industrial applications since 1984. We are second generation, family owned and treat all employees as part of our LifeSource family.

Our factory has been in the same Pasadena building since 1984. We have expanded our manufacturing capacity and work force to meet the growing demand for our products.


Mark Harris


Mark became President of LifeSource Water in 2008. For 25 years, Mark engaged in sales and marketing leadership roles in the technology sector. He began his career representing large semiconductor companies such as AMD and Samsung to various computer, networking and gaming companies in Silicon Valley. Mark was responsible for over $300 million in sales over a 15 year career. He later became the EVP of Sales and Marketing at CallTower Inc, growing their sales by 300% in 4 years. Mark is also the President and founder of Evolve Staffing, a boutique recruiting firm specializing in technology engineering, sales and marketing. Mark is a graduate of Harvard University, where he graduated with honors and was captain of the Men's Basketball team. When he is not at LifeSource, you can find him on the golf course or enjoying time with family and friends.

Dan Hillard

Vice President, Marketing

Dan joined LifeSource as Vice President of Marketing in 2000 and manages the company's online marketing and brand management. Outside the office, Dan enjoys golfing, practicing photography and watching his kids play sports. Dan adds, "I love LifeSource Water Systems because it's a family-run company with an easy, creative atmosphere".

Peter Hewitt

EVP/GM, Commercial Division

Peter is a 30+ year SF/Silicon Valley technology veteran who has helped run and advise dozens of companies over his career. As a serial entrepreneur, he has built startup teams from scratch, managed development of numerous software products including early Macintosh CAD and mapping/GIS programs, expanded sales and business development channels throughout North America, Europe, and Asia, and generated millions in profits for a wide range of companies.

Peter has also worked in ad agencies, marketing service firms and public companies such as Apple and LeapFrog.

Over his career, he has been a founder, CEO, COO, and VP/GM with extensive experience in corporate strategy, M&A, brand and product marketing, corporate/business development, field marketing, sales/channel development, strategic partnering, executive coaching and corporate fundraising.

Theresa Hawks

Operations Manager

Theresa joined LifeSource Water Systems as the Operations Manager in 2003. She has been a leader in the water treatment industry for over 26 years. Theresa formerly worked at KISS International in Carlsbad doing similar type of work. At LifeSource, Theresa manages all manufacturing, purchasing, inventory and operational details. Theresa lives in San Diego near the beach with her husband Alan and dog Scooter. Life outside of LifeSource finds Theresa gardening, exercising and riding motorcycles.

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