JBrown Professional Group (JBPro) was founded in Gainesville, Florida by A. J. “Jay” Brown Jr. and Stuart I. Cullen in 1995.  JBPro has developed a broad base of clientele in North-Central Florida, serving many public agencies and institutions, as well as many private sector clients.  Jay remains actively engaged in the Gainesville / Alachua County community and places an emphasis on serving the local North-Central Florida area.  JBPro has successfully completed projects throughout Florida, from the Florida Keys to the Panhandle and many locales in between.  We have also provided services in Georgia, Louisiana, and the Bahamas, and are capable of providing services in most locations.  The JBPro staff is experienced, well trained, technically proficient, and committed to serving our clients with the utmost professionalism and an unwavering positive approach.


Jay BrownA. J.  “Jay” Brown Jr., PE  This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Jay Brown is a founding partner of JBrown Professional Group  He is the President and a Principal Engineer with JBPro, and is actively involved in the management of many JBPro engineering projects.  He is a graduate of the University of Florida and has been a practicing engineer in the Gainesville area since 1986.  He focuses on many project types including: site development, transportation, drainage, utility, and recreation projects.  Jay is a highly experienced engineer, known for his careful attention to detail.  As a result, he leads the design visioning for the firm.  Jay is active in the Florida Engineering Society, the Builders Association of N. Central Florida, and his church community.  He also donates his time, talent and energy to many other local charity organizations.  Jay believes in a consistent approach of hard work, quality design, and client advocacy.  

“We measure the success of our organization by the satisfaction of our clients.  When we create well-designed infrastructure systems, that achieve the goals established by our clients, and stand the test of time, we know we have contributed to the fabric of our community. That is our true desire.”  AJB

Nick Bio Pic - CroppedNick DiGruttolo, PSM  This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Director of Surveying and Mapping

Nick DiGruttolo is a licensed Professional Surveyor and Mapper in Florida, Georgia, and Mississippi.  He has over 25 years of experience in all aspects of land surveying, remote sensing, and geographic information systems.  Since moving to Gainesville from his hometown of Sarasota, Nick has earned a BSc and MSc degree in Geomatics from the University of Florida and is currently completing his PhD research on riparian boundary migration.  Nick has built a close relationship with the local community through his leadership roles in the Florida Surveying and Mapping Society and mentoring of young surveyors at the University.  After performing survey tasks in seven countries and 34 states, Nick feels strongly that our lean, high-performing JBPro survey team provides the best value for our clients. 


altSpencer D. Adams, PE  This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Project Manager

Spencer Adams joined JBPro in 2013, bringing to the firm a broad civil engineering background from his previous work at a large land development consulting firm in Dallas, Texas. A graduate of Georgia Tech, his exceptional attention to detail and insatiable desire to learn allow him to thrive on complex projects. Spencer has extensive expertise in civil engineering software, drafting and design, and he provides leadership for the engineering production staff and technical support for the IT staff. He is committed to high quality design and client responsiveness and satisfaction.  



Logo Only - 920x900Ed Luna, PE  This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Project Manager

Ed Luna is a licensed Professional Engineer with over 18 years experience in the United States and Puerto Rico. He joined the JBPro team in 2014 and is a leader on both private and public development projects. Ed has extensive experience in water and wastewater utility engineering and maintains a close relationship with GRU, Alachua County, and the City of Gainesville to deliver the highest quality design for our clients and for our community. Ed lives in Gainesville and enjoys spending time with this kids and playing guitar.



Daniel SostromDaniel D. Sostrom, PE  This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Senior Staff Engineer

A native of Buffalo, New York, Dan is a University of Florida graduate who joined the JBPro staff in 2006. Dan has tremendous engineering skills and is an excellent designer and engineering problem solver.  As a quality control reviewer, his highly focused design approach and attention to detail push him to go the extra mile for every project.  Dan recently relocated to St. Augustine, Florida, where he works on a part-time status with JBPro.