Group Members
Meet the dedicated members of the Jen Research Lab
Dr. Coty Jen
Associate Professor, Chemical Engineering
- TBD
5000 Forbes Avenue
Doherty Hall
Pittsburgh, PA 15213
Bio
Professor Coty Jen joined the chemical engineering department at Carnegie Mellon University in the Fall of 2018 after completing her post-doc with Dr. Allen Goldstein at The University of California, Berkeley and PhD with Dr. Peter McMurry at University of Minnesota-Twin Cities. Prof. Jen's research focuses on atmospheric new particle formation, developing novel instrumentation to measure freshly nucleated particles in diverse environments, sources of organic nitrogen emissions, and health impacts of wildfire smoke.
During her downtime, Prof. Jen enjoys woodworking, cooking, attending musicals and plays, visiting museums, canoeing, sailing, swimming, hiking, biking, gardening, traveling around the world, reading books, and writing short stories. Dr. Jen is always working on some interesting topic!
Dominic Casalnuovo
NSF Fellow, Chemical Engineering
- Doherty Hall B203
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Darren Cheng
Ph.D. Candidate, Mechanical Engineering
- Doherty Hall B202
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Christine Troller
Ph.D. Candidate, Chemical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Christine grew up in Wilton, CT and received her B.S. in Chemical Engineering with a minor in Chemistry from the University of Connecticut in 2021. Her undergraduate research in particulate matter air pollution inspired her to continue with atmospheric chemistry during her graduate education. She looks forward to conducting research related to oceanic-atmospheric interactions with a warming climate in Dr. Jen’s lab. During her free time, she can be found going on hikes, running, painting, and exploring new restaurants in Pittsburgh.
Joy Kiguru
Ph.D. Student, Chemical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Ziheng Zeng
Ph.D. Student, Chemical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Ziheng grew up in Lanzhou, China and moved to Lewisburg, PA to study at Bucknell University in 2019. She obtained B.S. in Chemical Engineering with a minor in Studio Art in 2023. Inspired by her undergraduate research in aerosol sciences, Ziheng looks forward to conducting research related to air quality issues in the Pittsburgh area in the Jen Lab. Outside of academics, she enjoys cooking, travel journaling, and analog photography.
Malena Rybacki
Ph.D. Student, Chemical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Born and raised in Pittsburgh, PA, Malena began researching atmospheric emissions and pollutants in their undergraduate studies at University of Pittsburgh. Inspired by their research in carbon- and phosphorus-based emissions, they join the Jen lab to investigate their hometown's air quality as related to sulfur-based emissions. In their free time, you can find Malena gardening, foraging, reading, painting, or dancing.
Dallan Schoenberger
Master's Student, Chemical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Dallan grew up in Elizabethtown, PA and attended Saint Francis University in Loretto, PA where he obtained his B.S. in Chemistry. He became interested in Dr. Coty Jen’s group after taking an Air Quality Engineering class as well as the experimental projects that are offered. When he has time, he enjoys playing soccer, chess, traveling, and spending time with friends and family.
Jing Lin
Undergraduate Researcher, Chemical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Jing grew up near St. Paul, MN, and is currently pursuing a degree in Chemical Engineering. In Jen’s lab, he works on instrumentations that are used to detect particle concentrations in the atmosphere. In his free time, Jing spends his time playing Ultimate Frisbee, hanging out with friends, and playing a variety of board games and video games.
Amelia Jaffe
Undergraduate Researcher, Mechanical Engineering
5000 Forbes Avenue
Pittsburgh, PA 15213
Bio
Group Alumni
Post-docs
Bita Sabbaghzadeh (2024)Doctoral students
Jack Johnson (PhD '23), Chemical Engineering, Current: California Air Resources BoardFarrah Haeri (PhD '23), Chemical Engineering, Current: Air Products
Michel Romero-Flores (PhD '23), Chemical Engineering, Current: Instituto Tecnológico y de Estudios Superiores de Monterrey
Sandra Fomete (PhD '22), Chemical Engineering, Current: McKinsey & Company
Masters Students
Katherine Pierre-Louis (MS ’25), Chemical EngineeringSimeranjit Shihmar (MS ’24), Chemical Engineering
Deanna Badger (MS '22), Chemical Engineering, Current: Cardno
Zhen Cai (MS '21), Civil & Environmental Engineering
Undergraduate Students
Sanjay Johnson (BS '24), Chemical Engineering, Current: PhD Student in Chem Eng @ MITAshley Hu (BS '26), Mechanical Engineering
Taiz Iturbide (BS '22), Chemical Engineering, Current: Huron Consulting Group
James Crew (BS '22), Chemical Engineering, Current: Blue Sky Resources
Zachary Kowalewski (BS '21), Chemical Engineering, Current: Bay Area’s Air Quality Management District
Visiting Scholars
Bryan Seybert, Visiting High School Science Teacher, South Fayette High SchoolJoe Hayes, Visiting High School Science Teacher, Westinghouse High School