Client & Results Focused Real Estate Group

Some firms focus on technology or flashy marketing – EVERYTHING we do is CLIENT focused FIRST. Every decision from marketing, to listing presentations, through to close ensures the process is as smooth, easy, and gets our clients the best value for their home or we’re getting our clients the absolute lowest price for their new purchase.

Kevin Bartlett, Broker

Come experience what Kevin Bartlett, Knowledge Base Real Estate can offer you.

Kevin brings enthusiasm, knowledge, professionalism, and unparalleled market knowledge to every deal. Kevin is one of Southwest Florida’s top producing advisors. Whether your looking for an agent with vast knowledge of the market to list your home or searching for your dream home, we’re here to help.

Kevin takes pride in exceeding expectations of his clientele, focused on informing clients of current market demographics, knowledge of the area, and making sure you are comfortable in proceeding forward with your purchase.

Call Kevin at anytime at 239.977.5642 as he’s committed to earning your business and respect every time you choose to do business with me and refer others to engage my services.

Enjoy my website at or find out what the cash value of your home is



Billy Gubelman
Billy Gubelman, Real Estate Advisor


Originally from the Chicagoland area, Billy has called SWFL home for the last 25 years. Living in Fort Myers, Cape Coral and now in Bonita Springs with his family, Billy has seen the area grow and become a Real Estate powerhouse over the years. Whether listing your property or buying your dream home, Billy knows that the process should handled with the utmost professionalism through knowledge of the market, honesty, communication and motivation.

Prior to Real Estate, Billy was raised in the construction industry so he brings his KNOWLEDGE to the Knowledge Base Team. In his free time, Billy enjoys chasing his son, Camden, around with his family and two bernedoodles. You can find him at one of the many golf courses in the area or at a hockey rink officiating hockey. He is the local official’s association President, Assistant State Supervisor of Florida for USA Hockey and serves as a Board Member for SAHOF, the USA Hockey affiliate for Florida. Keep an eye out for him next time you’re at a Florida Everblades game!

Feel free to reach out to Billy at anytime by phone at 239.788.2855 or email at if you are looking to buy or sell your next home!


Andrew Jarrett, Inside Sales Representative



Andrew joined the team at the beginning of this year and over the last 8 years I have helped multitudes of families and individuals navigate through some of the most exciting and fulfilling financial transactions of their lives. Being a successful Sales Professional requires a sharp ear tuned to the needs of their clients, a commitment to transparency, and solid work ethic. Bringing an energetic approach to all three has allowed me to be amongst the highest producing individuals, across industries. Your experience is my #1 concern and I look forward having an opportunity to explore our beautiful community of SWFL together.

To get in touch with Andrew, feel free to email him at or give him a call at 239.977.5642.





Ron D’Angelo, Real Estate Agent


Ron and his wife Joan relocated to Southwest Florida in 1998. The novelty of living in Paradise never wore off. In 2002  Ron began assisting buyers from all over the country (and world) find their dream vacation or permanent  home. He has a three phase approach  in finding the home or condo that fits the needs an wants of his clients. Phase 1. The information phase. He obtains information from the client regarding area of interest, type of home and price points. Phase 2. The Education phase. Ron educates his clients on the various aspects of the communities of interest such as  Amenities HOA, Master Association fees and taxes. Phase 3. The Action Phase (The fun phase) Based on the information and criteria set by the clients they set out on the adventure of finding the RIGHT home in the RIGHT community for the RIGHT price. Ron can also assist clients with mobility issues find Barrier Free homes or homes that can easily be made Barrier Free.

To get in touch with Ron, give him a call at 239.218.2491


Client Concierge
Christina Hartley, Client Concierge


Christina joined the team in 2022 as our Client Concierge and has been a perfect fit from the start. She has called Bonita Springs, Florida her home for over 20 years. Christina earned her Bachelors  at the University of Central Florida but started her career working in hospitality management. Her years spent in the hospitality industry helped her gain important skills that allow her to demonstrate the highest level of integrity and commitment to every client she interacts with each day.

Christina is inspired daily by her husband, two children and three beagles.

To get in touch with Christina, give her a call at (239) 977-5642.


Marketing Associate
Tia Preece, Marketing Associate


A Canadian native, Tia is new to the team whose primary goal is to bring your listings to life for potential buyers. After graduating with her Masters in Mass Communications, she started her career in sports marketing and now has transitioned to helping the team with their marketing efforts.

In her free time, you can find her on the agility course with her two pups, trying to figure out how to grow veggies in the Florida sun and spending time with her family.

To get in touch with Tia, feel free to email her at




Nugget, Showing Assistant

A showing wouldn’t be the same without our assistant, Nugget. He joined the team several years ago and has been an asset ever since.

In his free time, you can find Nugget enjoying sunny Florida outside laying in the grass or enjoying a car ride to show you your next house.

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