About Dennis Calvert
Dennis Calvert is CEO and director at BioLargo Energy Technologies.
Dennis Calvert reports to the SEC as a director, officer or major shareholder of 1 public company: Biolargo (BLGO).
Dennis Calvert first appears on SEC filings in 2007.
Experience
This experience comes from Dennis Calvert's profile and from SEC filings. For roles taken from filings, the years are when the filings name Dennis Calvert in the role, so the role may have started earlier or lasted longer.
BioLargo Energy Technologies Inc. Current
President & CEO (2002 – Present)
Director
2002 – Present · Westminster, CA
Develops battery storage systems for electric grids and renewable energy projects.
BI
Biolargo, Inc.
President and director
2007 – 2026 · Public company (BLGO)
DA
Dennis Calvert & Associates
Serial Entreprenuer
1991 – 2002
MA
Merritt Hawkins and Associates
Founder - VP Marketing
1987 – 1990
JC
Jackson and Coker
Marketing Consultant
1986 – 1987
DC
Diamond Shamrock Chemical Co.
Sales Associate
1984 – 1986
Key Colleagues at Startups
The people Dennis Calvert works with at each company, as listed on that company's latest Form D.
BioLargo Energy Technologies Inc. · Form D, Mar 5, 2026
JP
Joseph Provenzano
Executive officer
RM
Randall Moore
Chief Technology Officer and director
CI
Charles Dargan II
Executive officer