Our Team

At T3 we value personal accountability and transparency, which is vital to building trusting relationships both with each other and our clients.  We own all our promises and actions, standing behind every commitment. We treat our clients like family, and along the way have fun. Happy employees are helpful employees which means happy clients.  With nearly 80 years of combined IT experience, we are still committed to constantly teaching, learning, improving and pursuing excellence.

Kelli Wynn


Kelli started her IT career with Arthur Andersen after graduating from Florida State University with a Bachelor of Science in Management Information Systems and Accounting.  She worked as a business and technology consultant, developing custom applications, traveling the U.S., and serving customers that included BMW and Bell South.  In the late 90’s she left to be a stay-at-home mom and raise two wonderful boys before returning to the full time work force in 2013 to join T3.  She has a passion for providing high quality technology services and building a top-notch service team.  Kelli believes that the team is the key to T3’s success and she is relentless in the pursuit of client satisfaction with a deep commitment to excellence.

Kelli most enjoys spending time with her husband Ed sailing, camping and watching their Florida State Seminoles.

Robert 'Rusty' Mulvaney

Senior IT Engineer

Rusty joined the T3 team in 2017 with a passion for technology and a love for helping people.  With more than 20 years of IT experience and numerous certifications, he has implemented and managed a wide variety of IT projects, including custom built SharePoint applications and web site designs.  Rusty creates implementation procedures to help clients get the most value from their investment in technology.  He is responsible for overseeing all aspects of technology at T3.  He is a Microsoft Certified Systems Adminstrator

More than just an IT expert, Rusty truly understands small business needs and challenges and how IT solutions can play a key role to enable people to work efficiently and successfully. He grew up helping his parents run Mulvaney’s Inc., a small engine repair store here in Tallahassee. There Rusty learned all aspects of running a small business, which in turn enables him to help our customers in all areas of their business.

Rusty is a voracious reader, an excellent cook and loves spending time with his daughter.

Derek Hartsfield

Lead IT Support Technician

After serving in the US Army, including a 9 month deployment to Iraq, Derek has over 25 years of network administration. He has extensive network design, configuration, and implementation experience.  As the former Director of IT for Mainline Information Systems, Derek has excellent knowledge of best practices around distributed networks, in-house servers, and backup and recovery software and methodologies. He has CompTIA Network+ and C|ND Certified Network Defender certifications.

Outside of work, Derek loves spending time fishing and playing tennis with the local Tallahassee Tennis Association.  On the nerd side of him, he loves “All things Star Wars”.  Derek is a master of the outdoor grill and smoker and he enjoys tending to his garden.

Josh McEachin

Lead IT Support Technician

Josh is our newest addition to T3, joining us in December of 2022.  Josh has a bachelor’s degree from Florida Atlantic University focused in Management Information Systems and brings over 8 years of IT support in the Managed Service Provider arena.  Josh has extensive systems and network administration skills, Microsoft 365 product knowledge, Vendor Management, and a high degree of professional yet personalized customer service.

Josh also has an entrepreneurial spirit and was co-owner of Dangerous Minds Brewing Company restaurant that opened in Pompano Beach, where Josh’s hobby of beer brewing turned into a for profit hit.  When he is not brewing beer or serving T3 customers,  Josh likes to spend time outdoors hiking, kayaking or fishing.  We are blessed to have Josh join our T3 team.