A Digital Marketing Agency
SEMbyotic is an award-winning digital marketing agency focused on digital marketing strategy, PPC management, SEO, website design, and website maintenance. We understand that a powerful website tells a story. Our process ensures your brand story is told and your goals are achieved.
Our Process
Management Team


Adam Koontz
Adam is the Founder and President of SEMbyotic, with over 20 years of experience helping enterprise customers improve their digital presence. He loves to develop innovative strategies to reach his customers’ target audiences online.
Adam began his career as a web developer, which later transitioned into a variety of in-house digital marketing roles. Later he joined a boutique full-service marketing agency based in Silicon Valley where he became the Managing Partner. He focused on helping enterprise B2B companies navigate the complexities of web design & development, SEO, paid search (PPC), and branding.
His passion for digital marketing led him to found SEMbyotic, helping customers bridge the gap between building and maintaining websites, and optimizing them for search and digital advertising.


Julee Klein
Julee is Vice President of Client Services. She joined SEMbyotic after serving as Chief Marketing Officer for a marketing service agency specializing in content development. She brings over 20 years of agency and client-side experience working with some of the biggest companies in Silicon Valley and on nearly every marketing deliverable imaginable.
Julee studied Graphic Design and Illustration at the Academy of Art University in San Francisco and Marketing and Advertising at San Jose State University.
Her background in both content development and design comes in handy when managing our client’s programs and deliverables. Julee ensures our customers get the most out of every dollar spent. She partners closely with customers to deliver strategic solutions at every stage of the process – from budget planning and scoping, to project management and execution.
B2B Digital Marketing Agency in San Jose, CA
Experience the impact of full-scale digital strategy.