Leticia Contreras B.A. in Mathematics, CSU Stanislaus SUMS Coordinator & Mathematics Instructor |
Leti Contreras quotes, "Besides teaching all levels of math courses at Hartnell, I co-advise the Society of Physics Students as well as the new student organization on campus WISE (Women in Science Exploration). During my free time, I enjoy being outdoors and taking long walks with my family and friends." |
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Dr. Jesse Cude B.S. in Engineering Physics, University of Arizona |
After having taught physics at Hartnell College for over 30 years, he retired in June 2006. Dr. Cude is still involved in helping with the physics program at Hartnell and now serves on the board of the Hartnell College Foundation. When he’s not doing something at Hartnell his other interests include swimming, hiking, photography, travel, and home improvement projects. |
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Kristel Dorighi B. S. in Biology, UC San Diego |
Ph.D. Candidate in Molecular, Cell and Developmental Biology at UCSC. Her graduate research focuses on understanding how the structure of DNA in the nucleus controls gene expression and development. She is also interested in the role of DNA structure in cancer and stem cell development. She grew up in the San Francisco Bay area and enjoys camping, hiking, yoga, and rock climbing. |
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Dr. Joe Hennawi B.S. in Physics, Stanford |
Dr. Hennawi is both a SHS and a Hartnell College Alumnus. He is now a cosmologist interested in the history and evolution of the universe. In his spare time he enjoys traveling, reading, hiking, and bike riding. |
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Shannon McCann B.A. in Pure Mathematics, UC Berkeley |
Shannon came to Hartnell after teaching math at CSUMB for 12 years. She is the Principal Investigator for the National Science Foundation grant that supports the SUMS program as well as the Co-Principal investigator for Hartnell’s NASA grant. In her spare time, Ms. McCann spends a great deal of time working with the Boy Scouts of America camping program in the Monterey Bay area and teaches Red Cross First Aid and CPR. |
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Lorena Torres |
Lorena Torres quotes, "When I get some downtime I enjoy spending it with my two precious kittens, Lilly and Chloe as well as my husband Pfc Torres. I enjoy reading, writing, and obsessing over all things involving Harry Potter." |
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Dr. Ignacio Pando Jr. B.A. in Sociology, CSU Fullerton |
Dr. Pando enjoys coaching youth sports, running, biking, reading, camping, golf, and napping. |
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Dr. Lisa Petrella B.S. in Molecular Biology, Juniata College |
Lisa grew up in a small town in Pennsylvania and just recently moved to California. She’s interested in learning about "the mircle of life" and how minute facets like sperm and eggs combine to form complex organisms. When not working in the lab, she likes to tap dance, read sci-fi books, and bike along the coast. |
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Tito Polo B.S. Electrical Engineering, San Jose State University |
Tito’s work experience has been in the semiconductor industry. He has worked in the Hartnell Math lab for three years and is currently striving to complete his master’s degree in Electrical Engineering. His non-professional interests include soccer, home improvement projects, and traveling. |
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Dr. Steven Triano B.S. in Biological Sciences, CSU Chico |
Dr. Triano has been an agricultural genetics researcher in academia and industry since 1989. His primary research has focused on plant breeding and genetics with other projects in post-harvest physiology, production systems, manufacturing systems (especially modified atmosphere packaging), nutrition, and control systems technology. |









