Our People

Null, PE, Larry

Larry Null, PE

Senior Vice President

Year joined TECO


Current responsibilities and work history

Senior Vice President Larry Null, PE, developed, implemented and now manages TECO’s comprehensive Operator Training and Certification Program. He also handles other technical training as needed, TECO’s lease property, and other assignments as directed by TECO’s president.

He served the company as president and CEO from 1996 to 2005, when he moved to his current position at his request. Previously he held the positions of project engineer, engineering manager and plant manager.

Prior to joining TECO, he was employed 13 years at LTV Energy Products Company (formerly Continental-Emsco). There he was senior project engineer managing new oilfield drilling equipment development, authoring technical papers and receiving a patent associated with the work.

Professional memberships, licenses

Registered Professional Engineer - Texas

International District Energy Association - member


Bachelor of Science - Mechanical Engineering - University of Houston


Employee Profiles

Meet Johnny Runyan

When Johnny Runyan started at TECO, all employee scheduling was done on 3”x5” index cards. So yes, Johnny admits, he has been around a while! But given TECO's growth and change over the years, Johnny is grateful for computerization.

Read More


Meet Rey Regresado, PE

Rey Regresado has wanted to work with electricity ever since he was a 10-year-old fascinated by the single light bulb that lit his family’s home in the Philippines. Rey pursued his vision and landed at TECO, where he has learned and grown.

Read More


Meet Antonio Lopez

If anyone asks Antonio Lopez if achieving the American dream is possible, he quickly answers, “yes!” He’s living proof. Originally from El Salvador, Lopez first set foot at TECO as a member of the building’s cleaning crew.

Read More


Meet Austin Kelly, PE, MEng

Ready. Set. Intern! That’s how Austin Kelly worked his way onto the TECO team.Austin heard about a summer internship opportunity at TECO just as he was finishing up his freshman year at Harding University. Now he's a full-time employee.

Read More

XML Sitemap