Bonnie holds a BS in Zoology and an MS in Entomology from UC Davis. She worked for over 40 years as a research scientist, mostly in biochemistry. She has authored or co-authored 28 scientific papers and two book chapters. She joined the Master Gardeners in 2005 and gladly became the group’s resident entomologist. She has given public workshops and presentations for many years, mostly on entomology-related subjects.

Kate Brennan became a Master Gardener in 2013 and began rearing Monarch caterpillars after attending a workshop on Monarchs and Milkweed. She is also a member of CNPS and Sierra Foothills Audubon Society.