AA Degree, High Honors: San Joaquin Delta College, Stockton, California (1977).

Bachelor's Degree in geology from the University of California at Davis (1979).

Master's Degree in geology from Northern Arizona University in Flagstaff (1984).

Professor in the Department of Earth, Space, and Aviation Sciences at Palomar College and co-Director of its Oceanography Program.

Has been teaching at Palomar since 1990.

Developmental Geologist/Computer Specialist, Unocal 76 in Los Angeles, Ventura, and Bakersfield (1983-1987). 

Adjunct Instructor and Lecturer in oceanography, geology, and geography at Los Angeles Pierce College, Palomar College, MiraCosta College, and at San Diego State University (all in 1989-1990).

Natural history interpreter (geologist and oceanographer) in southeast Alaska and Baja California for Lindblad Expeditions/National Geographic (since 1991).

Recipient of the 1996-1997 Distinguished Faculty Award for Excellence in Teaching, which is Palomar's highest honor for teaching.

Recipient of the 2005 Palomar College Research Award for work on various textbooks.

Co-author or contributing author for several college-level Earth science textbooks (all with Pearson Prentice Hall Publishers):

	Trujillo, Alan P. and Thurman, Harold V., 2008, Essentials of Oceanography, 9th Edition.
	Thurman, Harold V. and Trujillo, Alan P., 2004, Introductory Oceanography, 10th Edition.
	Trujillo, Alan P., contributing author for Earth Science and Earth, both by Tarbuck and Lutgens.

Trujillo, Alan P., 2008, An Overview of the Geology and Mineral Resources of the Oceanview Tourmaline Mine, Pala Gem Mining District, Northern San Diego County, California, in Trujillo, Alan P., Ed., Geoscience Investigations in Northern San Diego County and Beyond: Student-directed Explorations: Field trip guidebook for the National Association of Geoscience Teachers Far Western Section 2008 spring field conference, p. VIII-1–VIII-6.

Trujillo, Alan P., Ed., 2008, Geoscience Investigations in Northern San Diego County and Beyond: Student-directed Explorations: Field trip guidebook for the National Association of Geoscience Teachers Far Western Section 2008 spring field conference, 161 p.

Deen, Patricia, Spear, Steven G., Trujillo, Alan P., Key, Douglas B., and DuBois, Lisa G., 2003, Strategies for Success in Experimental Field Instruction in the Earth Sciences at Palomar College, Oral Presentation at the Geological Society of America Annual Convention in Seattle, Washington.

Deen, Patricia, DuBois, Lisa, and Trujillo, Al, 2002, Laboratory and Field Exercises in Oceanography, 5^th Edition, Paladin House Publishing.

Trujillo, Alan P., 2000, A Teacher Talks to His Students: Top Ten Tips for Tacking Tenacious Tasks, Innovation Abstracts, University of Texas at Austin, Vol. XXII, No. 1.

Research interests include beach processes, sea cliff erosion in San Diego County, and computer applications in oceanography. 

Collects sand and has a vast collection of sand samples from around the world; is a member of the International Sand Collectors Society and serves as the organization's Oceanography Division Advisor.

Has a passion for diatoms, which are microscopic marine organisms.

Enjoys traveling to distant areas of the world and outdoor activities with his family.

Is widely traveled and has made several extensive journeys, including a 19-month round-the-world trip from 1987-1989 and a 6-month journey with his wife through Europe and Africa in 1994.