THE BUILDSTERS is a tightknit crew of the most talented, committed pros around. Visionaries. Veterans. Entrepreneurs. Contractors. Suppliers. Agents. We’re together sharing our past experiences and hard-earned wisdom, as well as insider tips and tricks, to help homeowners overcome the challenges of construction, real estate and more.

Whether it’s adding a fourth bedroom to a Craftsman home or DIY landscape construction, even launching a small business in these dog-eat-dog industries, we’re on a mission to build on.

John Cefalu

Chief Executive Officer

Since starting his first business as a freshman at Chapman University, John has remained committed to empowering people to use their skills to help others. He found his way into the construction industry in 2015, managing both interior and exterior home projects with contractors of all sizes from the West Coast to the Midwest.

Not long after, he co-founded JJ’s Landscaping as CEO, which offers landscape construction, design, maintenance and more. It became a multimillion-dollar business by its second year.

Derek Clelan

Chief Marketing Officer

After graduating from the University of Nevada with a Finance & Economics degree, Derek brought his entrepreneurial spirit to San Diego where he co-founded JJ’s Landscaping and assumed his role as COO.

In just a year, he had implemented processes that helped the company earn nearly $2 million in revenue with services that include landscape construction, garden design and more. His main focus now is creating win-win situations by connecting experts with common interests and fostering lasting, productive relationships between them.

Peter McDermott

Chief Sales Officer

Peter’s ability to sell & develop new relationships has expanded The Buildsters business opportunities: accelerating progress & opening new ventures. Joining the team in 2020, Peter has secured early partnerships with blue chip brands like Weber Grills, Benjamin Moore, CAT, Watkins Wellness, & Belgard. Peter continues to grow the company’s contractor network – the lifeline of The Buildsters.


Eddie Thompson

Director of Technology

Eddie began work in web design shortly after graduating from the University of Nevada, Reno in 2019. Over the last year, he has ran multiple websites bringing over 10 million organic page views.

Tommy Cefalu

Project Development Coordinator

Tommy is a recent graduate of the University of San Diego where he double majored in real estate and marketing. He has been a sales intern for the last two years of his college career and is now transitioning into a full-time position.

Zen Contestable

Pro Account Specialist

Zen entered the construction industry when he was 19 years old, starting out as a sales representative for a landscape construction company. Last year he transitioned to The Buildsters and is now an Account Manager, servicing all Buildster Pro clients.


Allie Mitchell

Social Media Director

Allie has over 2 years of digital marketing experience and a degree in Journalism from the University of Nevada. She credits her marketing expertise to her time working with the Boys and Girls Club of Truckee Meadows and competing in national marketing competitions.