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Faculty and Staff

Click on names to view faculty and staff profiles and additional information.

Pearl Ly

Ed.D., University of California, San Diego and California State University San Marcos; M.L.I.S. and M.A., University of California, Los Angeles; B.A., University of San Diego

Pearl LyPearl Ly is the Director of Library Services. She has a background in public services and information literacy instruction at various academic libraries in Southern California.

Her previous role was Interim Assistant Dean of Library Services at Pasadena City College, where she was hired as the Access Services & Emerging Technologies Librarian. She also served as Natural Sciences Librarian with Cal State San Marcos and as an adjunct librarian/instructor with MiraCosta College.

From 2002-2004, Pearl was a Peace Corps Volunteer in Honduras and she later obtained a dual Master's in Latin American Studies and Master's in Library and Information Science from UCLA. She recently completed a Joint Doctorate in Educational Leadership from UC San Diego and CSU San Marcos. Her dissertation was titled Chief Librarians: The Leadership and Administration of Community Colleges.

Pearl is active in the library field, currently serving on the executive board for the California Community College Council of Chief Libraries and the American Library Association Community and Junior Colleges Libraries Section (CJCLS) Nominating Committee and Conference Program Planning Committee.


John Erdmann

M.L.I.S.,B.A., University of Washington

John Erdmann has been with the college as an adjunct information literacy instructor and faculty librarian since 2007, and accepted a full-time position in 2012. John began his library career while serving in the U.S. Navy, during which time he worked as a paralegal and ship’s librarian aboard the USS San Francisco (SSN 711) and the USS Dixon (AS 37). After receiving his honorable discharge, John enrolled at Seattle Central Community College and eventually transferred to the University of Washington. John graduated from the UW with two bachelor’s degrees and a minor, having earned Cum Laude and Phi Beta Kappa distinction.

After a year working as a deckhand in Alaska and a park ranger in the North Cascades, John returned to the UW and began a master’s degree program for Library and Information Science. His graduate coursework emphasized digital reference, information literacy instruction, and library administration. Volunteer work during this time included executive committee membership of Phi Beta Kappa and library book sale management. While attending graduate school, John worked full-time as an editor for a research publication in the Chemistry Department at the University of Washington.

While working at the Belvedere-Tiburon Library, John regularly taught technology classes, developed collections, and managed the library’s used book sale. He also worked part-time at several other Marin libraries before being offered a full-time position at College of Marin in 2012. John is currently an Academic Senator for COM and sits on various committees. In his spare time, he is working toward a master’s degree in Depth Psychology at Sonoma State University.


Sarah Frye

M.L.S., Indiana University, Bloomington; B.A., Hanover College

Sarah Frye

Sarah Frye is a reference and instruction librarian. Sarah earned her Master’s in Library Science from Indiana University, where her coursework focused on Academic Librarianship and Archives and Records Management. While at Indiana University, she discovered a love for teaching.

After completing her degree, Sarah taught as an Information Literacy Librarian in the nationally recognized Information Literacy Across the Curriculum (ILAC) Program at the Vogel Library at Wartburg College in Waverly, Iowa. Sarah later worked as a Public Services Librarian at Miami University Middletown in Ohio. At Miami, Sarah taught as an Embedded Librarian with online and grounded courses across a variety of disciplines. She also taught Effective Use of Libraries, a required course in the University’s Teacher Education Program.

Sarah comes to the College of Marin most recently from Pierce College in Lakewood, WA. At Pierce, Sarah taught Research Essentials, an introduction to the essential skills, concepts, and strategies of college level research. Sarah collaborated with faculty in a statewide Library Services and Technology Act (LSTA) grant project: “Rising Junior,” which prepared students to transfer to four-year institutions by emphasizing foundational information competency skills. Sarah also participated in Achieving the Dream, a national initiative aimed at reducing achievement gaps among various demographics of students. Sarah earned tenure at Pierce in spring 2013.

In 2011, Sarah participated in Association of College and Research Libraries (ACRL) Immersion Teacher-Track Program, focused on classroom techniques, learning theory, leadership, and assessment in the context of information literacy.


Dave Patterson

Ph.D., B.A., University of California, Berkeley; M.L.I.S., University of Alabama

Dave Patterson

Dave Patterson is a reference and instruction librarian. After attending community college in San Mateo, Dave transferred to UC Berkeley, where he earned a Bachelor’s degree in English. He then attended UC Berkeley’s School of Education and began teaching.

Dave served as a Peace Corps Volunteer in the Philippines and has taught in Budapest Hungary, on the border between Arizona and Mexico, and in Alabama. He was a founding trustee of Homework Central, an afterschool homework program for low-income children in San Mateo sponsored by the Peninsula Interfaith Alliance.

Dave has worked at Stanford University Library and at Cañada Community College. There he was faculty advisor for the Lesbian, Gay, Bisexual, Transgender, Queer Student Alliance and for other groups involved in social justice issues, especially undocumented students.

Dave has a Ph.D in Education from UC Berkeley’s School of Education, where he wrote his dissertation, Becoming Researchers: Community College ESL Students, Information Literacy, and the Library.



Joey Della Santina
Interim Library Technical Specialist

Lan-Ling Long
Learning Resources Assistant

Trang Nguyen
Learning Resources Assistant

Gaylene Urquhart
Library Technical Assistant


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COM Library Web Site
Technical Contact: Sarah Frye, Librarian, 415.485.9332
Content Responsible: Pearl Ly, Director of Library Services, 415-457-8811 ext.7552