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Cornerstone Technical Marketing proudly represents manufacturers recognized around the world as industry leaders in the high tech arena. The products these companies bring to market are universally considered state of the art.

At our fingertips, is an extensive supply of demonstration products, equipment, hand-tools and evaluation samples. Combining these resources with our 50 plus years of combined experience makes CTM an excellent choice for solving the complex challenges companies often encounter.

Léo Huerta

Territory: San Jose/ Peninsula/ Fremont

(650) 468-7675

Léo’s high tech career began in 1991 when he joined Metcal as a Manufacturing & R&D Technician. He steadily worked his way through the ranks, becoming a Technical Support Engineer, followed by Latin America Regional Sales Manager and eventually Product Support Manager. After 13 years with Metcal, Léo joined Restronics serving as a manufactures representative for the Northern California territory. He served in that capacity for 5 years. His last stop before contracting with Cornerstone Technical Marketing was in the distribution ranks with EWD Solutions.

Territory: San Francisco/ Santa Rosa/ Oakland

(650) 293-7867

Leonardo worked as an installation specialist for 9 years installing 3M ESD rated equipment for micro-tech companies in Silicon Valley. Accompanied with his expertise in the high-tech realm, he also lent his talents in writing for the Bureau of Land Management in Sacramento and as a social Media Strategist with Nuestra Casa de East Palo Alto. Over time he amassed these skillsets with his last stop being at Google as a Copyrights Operations Associate for a year and a half before contracting with Cornerstone Technical Marketing in 2019.

Territory: Sacramento/ N. Nevada
(408) 799-6245

Bill’s initial industry involvement came in 1984 with the rep firm Shattuck and Hagen Marketing. In 1985 he partnered with Wayne Hagen creating Eagle Marketing. In 2004 he left Eagle to start Cornerstone Technical Marketing.


Tim has 10 years of technical sales experience in the performance and racing industries along with 15 years of manufacturing experience in industrial machinery. He also enjoys building and fixing classic and antique cars with over 20 years of mechanical/welding/fabrication experience. 

Tim O'Donnell

Territory: O/C Southern California

Stephanie Mcguire 

Territory: O/C, Inland Empire and Las Vegas 

With over 15 years in telecommunications industry, Stephanie is a self-starter and has worked in all aspects of business including inside sales, account specialist, outside sales and project management.  Stephanie brings extensive work background with high profile customers like Spectrum, Verizon, Cox, Sprint and AT&T.


Bjorn De Boer

Territory: O/C and San Diego County

Bjorn comes with a well-rounded background working in Industry Distribution, Manufacturing, Education and Medical industries over the past 20 years. His experience ranges from installations, business development, customer service, and sales - working directly with clients from concept to completion. Most recently, Bjorn helped grow a CRM / Marketing Automation as the company’s COO for the last four years of his tenure there. He is now a part of Cornerstone Technical Marketing, leading sales in Carlsbad and San Diego, CA.

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Territory: Serving Costa Rica

Jafet has a history of more than 9 years developing and supervising Industrial Electromechanical Projects, working in the management and monitoring key sales accounts in both Government and Private industry. In the last 3 years, he was in charge of coordinating and installing technical projects for Electromechanical 222 S.A. Now he is part of Cornerstone Technical Marketing, as a representative for various technical and clean room manufacturers in Costa Rica. 

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Business Operation Manager

For the past 8 years, Adriana has championed operational development Her roots began in customer support where she built and managed remote operations for call centers in Asia. She expanded into program management, facilitating international market expansion, managing global logistics, and data analysis for software tech companies in the Silicon Valley. At Cornerstone Technical Marketing, Adriana implements her analytic skills to help improve work processes and sales operations

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