Rosalee Hellberg is an Assistant Professor in the Food Science Program at Chapman University.  She teaches courses on Food Fraud, Food Microbiology, and General Microbiology.  Dr. Hellberg received an M.S. and Ph.D. in Food Science and Technology at Oregon State University, where she studied seafood safety and fish mislabeling.  She completed a post-doctoral fellowship at the FDA working on the development and optimization of DNA-based methods for the detection of food pathogens and food mislabeling.  In 2017, Dr. Hellberg was selected as a recipient of the Emerging Leaders Network Award from the Institute of Food Technologists.  She was also a recipient of the 2017 Faculty Award for Excellence in Research from Chapman University.  She has published over 30 peer-reviewed articles and book chapters.

Danielle Rosen is a graduate student pursuing a dual Master’s degree in both Food Science and Business Administration. Her thesis research is focused on the use of rapid methods for the concentration and detection of Salmonella in pet food. She received her Bachelor’s degree in Biology from San Francisco State University, with emphases in Ecology and Physiology. She is interested in fermentation science and brewing and is planning to join the UC Davis Master Brewer’s program next year. She is currently working in product development at Taco Bell headquarters in Irvine, CA, as well at local craft breweries.  Her hobbies include traveling, reading, hiking, crocheting, crafting, and more recently expanding personal research on fermentation by brewing Kombucha at home.

Rowena Zahn is a graduate student in the Joint MS Food Science and MBA program.  She received her BA in Biochemistry from Barnard College of Columbia University and worked in executive recruiting and pharmaceutical sales.  Her thesis research is on optimizing DNA extraction techniques to identify species in dietary supplements.  After graduating, Rowena is interested in a marketing or product development position within the food industry.  She has served as the Philanthropy Chair and is currently the Alumni-Student Liaison for the Food Science and Nutrition Student Association.  Rowena is also an Argyros Ambassador for the business school.  In her free time, she enjoys spending time with her husband, four children, golden retriever, and volunteering at a local elementary school.

Priscila Liou is a graduate student pursuing her Master’s in Food Science.  She received her BS in both General Biology and Psychology from UC San Diego and spent a year teaching English in China in between her schooling.  Her thesis research is on using DNA barcoding to identify species substitution in seafood as well as determining the accuracy of the country of origin labeling on the packaging. After graduating, Priscila hopes to work in a R&D position or anything that will allow her to travel more! She is currently working as a QA/QC Tech at Marimix as well as a Guest Relations Hostess at the Disneyland Resort. In her spare time, she enjoys spending time with friends and family, traveling, scrapbooking, and watching movies.

AJ Silva is a graduate student pursuing his Master’s in Food Science.  He received his BS in Biological Sciences from Chapman University. He is from Danville, CA. AJ is a member of Chapman’s IFTSA College Bowl Team and a part of the Chapman Swim and Dive team. His thesis research is focused on the challenge of identifying species in fish mixtures using DNA-based techniques. AJ also teaches two general Biology labs at Chapman University along with volunteering at St. Joseph’s Hospital shadowing physicians.


Maggie Chung is a graduate student in the Food Science Program. Her thesis research is on quantification of pork in ground beef using real-time PCR. Maggie graduated from the University of California, Riverside with a B.A. in Economics/Law and Society. She is currently working as a regulatory consultant intern. In her free time, she enjoys playing with her nice and nephew, discovering new fun activities, and catching up on TV series. After graduation, she hopes to work in regulations or QC/AQ, and foster many smalls dogs from rescue shelters.

Rachel Isaacs is an undergraduate student pursuing her Master’s in Food Science as a part of Chapman’s 4+1 program.  She will be graduating and receiving her B.S. in Biological Sciences from Chapman in May.  Rachel is a four-year student athlete on Chapman’s swim and dive team, and currently competes on Chapman’s IFTSA College Bowl Team. She serves on the Schmid Student Leadership Council and works as a Supplemental Instructor for introductory biology courses.  In her free time, Rachel enjoys watching basketball and is a huge Sacramento Kings fan.  She completed undergraduate research with Dr. Hellberg focused on DNA barcoding to identify species in commercial shark products.  Her thesis research is focused on the development of rapid techniques for fish species authentication.

Angela Banda is a chemical engineering major from Santa Ana College.  She will be transferring to California State University, Long Beach in Fall 2018. Angela was selected to participate in the Summer Undergraduate Research Fellowship in Ecological and Environmental Sciences (SURFEES) program at Chapman University. This is her first experience in a research program and she plans to use this opportunity to explore her interest in food science in addition to improving laboratory and professional skills. Her summer research will be focused on identifying food fraud, particularly, fish mislabeling by using DNA barcoding techniques. While attending Santa Ana College, Angela was part of the MESA program and a member of SWE (Society of Women Engineers). In her free time, she enjoys playing my ukulele, watching movies, playing puzzle games (like sudoku), and spending time with her siblings.