Thomas Tad Duffy

Senior Adjunct Professor
faculty bio

Thomas Tad Duffy has over twenty years of teaching and business experience. Currently, as the director of the Etel Company - an entrepreneur hub located in San Ramon, he provides business assistance to start-up companies. In addition, to assisting over 100 companies, he has hands-on experience as an owner of several businesses such as a company located in Krakow, Poland that designs and produces air pollution control technology.

Prior to consulting and starting his own companies, he held positions such as vice president of marketing (DPPC), business development manager (Catalytica), marketing specialist/sales engineer (Chevron), and project engineer (M&T Chemical).


EdD candidate Cal State East Bay University.

MS (educational technology), Cal State East Bay University

California Teaching Credential (chemistry, physics, earth science), Cal State East Bay University

MBA, Xavier University

MS (chemical engineering), Washington University

BS (chemical engineering), University of Detroit


1984 - Present
Senior Adjunct Professor, Golden Gate University

2006 - Present
Director, Etel Company

2006 - Present
Science Teacher, Concord High School

2002 - Present
Associate Professor, Diablo Valley College

2000 - 2005
Affiliate Director, San Ramon Business Enterprise Center

1992 - 2000
Vice President Marketing, DPPC

1986 - 1992
Business Management and Engineering, Catalytica

1978 - 1986
Engineering and Marketing, Chevron

1974 - 1977
Engineering, M&T Chemical


National Science Teachers Association

California Science Teachers Association

International Society for Teaching in Education

California Teachers Association