Leadership Team
We’re a dedicated group of skilled professionals with years of experience in delivering top-quality roofing solutions. Our team is committed to excellence, ensuring every project is completed with precision, reliability, and care.
David Fullmer
CEO / Owner
David has 25 years of experience in construction, starting with roofing and expanding into framing and other areas. He discovered a passion for artistic natural stone masonry and founded his general construction company in Utah in 1999. After moving to Hawaii, he returned to roofing, founding FBC Roofing in 2008. With his brothers, he expanded the business, installing over 12,000 roofs across Hawaii and the States.
DAN LOPEZ
Project Manager / Estimator
Dan has over 36 years of experience in home building, roofing, and distribution. He began as a laborer in 1988 and rose to Project Manager, contributing to thousands of homes in Southern California for a London-based builder. For 16+ years, Dan has worked as a Sales Manager, Branch Manager, and VP in the Building & Roofing Distribution industry in Hawaii and California. He now leads FBC's commercial division in Hawaii.
pono Mendoza
Assistant Project Manager
He began his career 6 years ago as a Roofing Laborer in Hawaii, working on a variety of roofs, ranging from steep-slope custom homes to low-slope commercial projects. He later moved to the mainland as a foreman in the commercial sector, managing 24-hour emergency repairs and overseeing large commercial flat roofs. He advanced to the roles of Project Coordinator and then Assistant Project Manager. The opportunity at FBC has been a significant step in advancing his career.
Sonny Leandro
President
With over 31 years in General Construction, Distribution, Manufacturing, and Roofing, Sonny started at 17, building homes in Hawaii. He founded SNS Homes, then launched RSI Roofing in 2000, training roofing pros and expanding statewide. By 2015, he founded Roofline Supply, reaching $24M in revenue before selling in 2019. Now back in General Construction, Sonny's custom projects have been featured in industry magazines.
Harika Mandala
Project Managing/Estimator
A construction professional with a background in Civil Engineering and a Master’s degree in Construction Management. Brings experience in project estimation, plan review, material and labor analysis, supplier coordination, and project execution.
With a strong interest in the commercial roofing and construction industry, passionate about delivering accurate estimates, supporting efficient project planning, and building strong relationships with clients, suppliers, and project teams. Excited to continue growing professionally with FBC Commercial Roofing and contribute to the company's continued success.
Blyane Leach
Operations and Safety Director
Blyane Leach is a Safety Professional and an Environmental, Health, and Safety (EHS) expert with 12 years of experience. He excels in identifying and resolving EHS risks and liabilities, leading program development for various operations. With over 10 years of workers' compensation experience, he has managed loss prevention and claims. His expertise includes environmental permitting, waste management, and safety audits. Blyane is a retired Air Force Veteran who spent 20 years in the military serving and protecting.
SHELLY SIMMONS
Administrative Coordinator
With over 5 years of experience in roofing and construction administration, I specialize in project coordination, scheduling, permitting, vendor relations, client communication, and administrative operations. I’m committed to maintaining efficient project workflows, providing exceptional client service, and building strong, lasting relationships with clients, vendors, and team members.
In addition to my professional career, I am a Co-Founder of I AM His Collective and serve in coaching and leadership with Regeneration at Lakepointe Church in Rockwall. I’m passionate about leadership, mentorship, faith, and empowering women to discover their identity, purpose, and God-given potential.
Whether in the workplace or ministry, my heart is to lead with excellence, serve with purpose, and create meaningful impact in the lives of others.