Peer Advisors

Peer advisors contact information below. 

Joanna Chen

Email: joannac@berkeley.edu

Office Hours: Tuesday from 1:00-1:45pm in 382 McCone or via Zoom

Hey! My name is Joanna and I'm a fourth-year Marine Science & Environmental Earth Science double major in EPS. I do research in the Department of Integrative Biology, focusing on fish ecology, morphology, and energetics. Outside of research and academics, I row for Cal's Lightweight Rowing Team, climb at Ironworks, and bike around Berkeley. Come to my office hours to talk, hang out, or ask questions! I would love to chat about anything—classes, research, rowing, fieldwork, etc.

Tony Guerrero

Email: tonyguerrero@berkeley.edu

Office Hours: Thursday from 3:45-4:30pm in 382 McCone or via Zoom

Hi I’m Anthony Guerrero,  I am a first generation student in my 4th year studying Geology! I enjoy hiking and watching UFC!

Natalie Homyk

Email: nhomyk@berkeley.edu

Office Hours: Friday from 3:00-3:45pm in 382 McCone or via Zoom

My name is Natalie Homyk and I'm a Sophomore studying geophysics. My research focus has been volcanology, and I am looking at a volcanic island in the Mono Lake basin I visited to do fieldwork this summer. In my free time, I love running, camping, cooking, and trying new restaurants in Berkeley.

Toireasa-Marie O'Rourke

Email: toireasa.marie@berkeley.edu

Office Hours: Wednesday from 3:00-3:45pm in 382 McCone or via Zoom

Hi! My name is Toireasa (pronounced Tor-es-uh), and I am a fourth-year student majoring in atmospheric science and minoring in chemistry. I'm passionate about understanding atmospheric chemistry and air quality, and I've enjoyed pursuing research in this field here at Berkeley! Outside of academics, I enjoy hiking, running, backpacking, watercolors, sporting events, and spending time with friends.

Lainey Stage

Email: lstage1@berkeley.edu

Office Hours: Tuesday 4:00-4:45pm in 404 McCone or via Zoom

Pronouns: she/her

My name is Lainey Stage and I am a second year studying Geology. I currently do research with the Macdonald research group and am interested in sedimentology and geochronology! I have made amazing friendships within the EPS department and am looking forward to connecting with new students interested in the Earth Sciences.

Isabelle Susman

Email: isabellesusman@berkeley.edu

Office Hours: Monday 4:00-4:45pm in 382 McCone or via Zoom

Hi I'm Isabelle, I'm a fourth year international student from South Africa! I'm majoring in Environmental Earth science but my research/class load is geology focused. I've also done a lot of Environmental type classes and spent a semester studying abroad in Tahiti/Moorea with Berkeley's Island sustainability program! My research is in volcanology and igneous petrology and I plan to go to grad school in the UK.