California Society for Histotechnology

Meet our Leaders

2023 - 2025 STATE OFFICERS

Kathy Hardy


Kathy is a board certified Histologist with over 20 years of experience. She started her career in Pharmaceutical Pathology and Animal Drug Discovery at Syntex Research in Palo Alto. She worked as an instructor at Foothill College teaching Basic Histology, alongside PhD's from NIH and other research facilities. Her experience has allowed her to work side by side with pathology groups in Puerto Rico and Florida and has set up multiple laboratories throughout Northern California. Kathy has been a member of the CSH since the early 80's and has held multiple positions within the organization. She holds the office of Chapter President  for the Northern Cal region and was newly elected State President. Kathy is dedicated to her field and strives to continue the growth of the CSH and assists in retaining speakers to enrich and enhance the annual symposium/convention experience.

Jennifer MacDonald

Vice President

Jennifer is the Program Director for the Histotechnology program at Mt. San Antonio College, a role she has held since the program inception in 2001. Jennifer started her laboratory career in Canada as a registered technologist, working in all areas of the laboratory, but Histotechnology is her passion. Jennifer has worked in both research and clinical histology labs but is now in education. She has the distinction of graduating over 350 students through her program and into the histology world. Jennifer has been active with NAACLS, NSH, and has been part of the CSH for over 20 years. She has held the board positions of Vice President and Secretary and has been the education chair for several years.

Maria Rodriguez-Aguirre


Maria works as a Scientist at Vividon Therapeutics. She has over 20 years of experience in research and development and has worked with with plant biology and gene therapy while at the Salk Institute of Biological Sciences, Cibus LLC and Tocagen Inc. She earned her Associates degree in Biotechnology from Southwestern College, her Bachelor and Master's degrees in Biology from National University. She has worked in the histology field since 2014 and currently specializes in immunohistochemistry, immunofluorescence, CISH and FISH assays. She enjoys creating beautiful images using multiplex immunofluorescence and testing new techniques to help investigate various indicators using histology techniques. Maria has been an active member of the CSH since 2018.

Tammy Schwalb


Bio coming soon...

About Us

The California Society for Histotechnology (CSH) is a non-profit organization that has been promoting and encouraging growth in the field of Histotechnology since 1978. We are dedicated to:

The CSH is proud to be part of the National Society for Histotechnology (NSH). Together, we represent over 5,000 Histotechnology professionals from all over the United States. We are committed to advancing the profession and providing our members with the resources they need to succeed.

[Click here to learn more about the NSH].


LA/San Bernardino Chapter Officers

Rebecca Luna, President

Xochile Vasquez, Vice President 

Andrei Barredo, Secretary

Andrei Barredo, Treasurer

Rebecca Luna, Director

Northern Chapter Officers

Kathy Hardy, President

Debbie Overcash, Vice President

Lucy Cordero, Secretary

Lucy Cordero, Treasurer 

Robin Simpkins, Director

San Diego Chapter Officers

Maria Rodriquez-Aguirre, President

Vice President (OPEN)

Secretary (OPEN)

Treasurer (OPEN)

Maria Rodriguez- Aguirre, Director

NSH - Region VIII

Jeremy Johnson