Left, Glen Teter will step down as CEO of TETER, Inc., the biggest engineering firm in the Central Valley. His successor (right) is Byron Dietrich, who joined TETER, Inc. in 1988. Image via TETER

TETER, Inc., the largest architectural and engineering firm in the San Joaquin Valley, has a new CEO.

The Fresno-based firm announced that Glen Teter is retiring as CEO after 45 years of leadership, growing it to the region’s biggest.

Byron Dietrich will step into the role of CEO beginning Jan. 1, 2025.

Teter will remain as chairman of the board, using his experience and industry wisdom to guide TETER, Inc.’s operations following company values.

Dietrich joined TETER, Inc. in 1988, becoming its first partner in 1990 and most recently serving as vice president of engineering.

“I’m changing roles, but excited about continuing on as a coach and resource to Byron and the rest of the leadership team. The combination of Byron’s and my strengths and skills will bring the best of both worlds to TETER. I’m very optimistic about the next five years and all the things we can accomplish,” said Teter in a statement.

Teter opened the firm in 1979, starting off as a small structural engineering office in Visalia with a vision of building a better Center Valley.

Since then, TETER, Inc. has grown to five offices with more than 100 staff, designing projects in in the education, health care, municipal, federal, industrial and private sectors.

TETER Inc.’s services have expanded to include architecture, master planning, mechanical, electrical, plumbing and structural engineering services, information technology, construction administration, sustainability, funding analyses and accessibility surveys.

Dietrich said he looks forward to helping lead TETER, Inc. and continuing the values and ethos that have made the firm so successful.

“I’m stepping into big shoes, but not without the continued wise counsel and mentorship Glen has always provided, and will continue to provide as Chairman of the Board,” said Dietrich.