Alumni

This is a working list of the Holloway Group alumni, with links to their LinkedIn profiles, the degree they graduated with, their current job title, and a link to their publications. Job titles last updated August 2025. See individual LinkedIn profiles for up-to-date titles/jobs. 

If you're an alum of The Holloway Group and your name isn't on this list, or if you'd like to request changes, please email Tracey Holloway.

Ph.D. Students

• Dr. Xinran Wu, Ph.D. E&R (2026) Publications

• Dr. Alicia Hoffman, Ph.D. AOS (2023) Research Fellow at Leeds University, England, UK

• Dr. Gesangyangji, Ph.D. E&R (2023) Shuimu Scholar Postdoctoral Researcher, Tsinghua University, Beijing, Publications

• Dr. Ciaran Gallagher, Ph.D. E&R (2023) Energy & Air Manager, Clean Wisconsin, Publications

• Dr. David Abel, Ph.D. E&R (2019) Senior Manager, Energy Management Strategy & Policy, NextEra Analytics, Publications

• Dr. Alexandra Karambelas, Ph.D. E&R (2016) Environmental Analyst, NESCAUM, Publications

• Dr. Vijay Limaye, Ph.D. Epidemiology and E&R (2015) Adjunct Associate Professor, Department of Population Health Sciences, Publications

• Dr. Erica Bickford, Ph.D. E&R (2012) Director, Office of Storage & Transportation, U.S. Department of Energy, Publications

• Dr. Scott Spak, Ph.D. AOS (2009) Senior Research Fellow & Associate Professor, University of Iowa, Publications

• Dr. Matt Johnston, Ph.D. E&R (2008) Postdoctoral Researcher & Fellow, University of Minnesota Institute on the Environment

M.S. Students

• Xinran Wu, M.S. E&R and EAP (2021-2026), Continued to Ph.D. at UW-Madison, See Above

• Lizzy Kysela, M.S. AOS and EAP (2021-2025)

• Cecilia Orth, M.S. E&R and EAP (2021-2025)

• Drashti Amin, M.S. E&R and EAP (2022-2024), Research Assistant, Center for Global Sustainability, University of Maryland

• Colleen Heck, M.S. AOS (2022-2023) Senior Associate Consultant, Air Quality, ERM

• Clara Jackson, M.S Environmental Science (2018-2022) Senior Associate, Development Optimization, RWE

• Sunjoo Hwang, M.P.A. Public Affairs & EAP (2021) DEBA Program Lead, California Energy Commission

• Gesangyangji, M.S. AOS (2019-2020) Continued to Ph.D. at UW-Madison, See Above

• Seohyun (Grace) Choi, M.S. E&R and EAP (2019) Senior Analyst, EcoMetric

• Yueping Tang, M.S. Civil and Environmental Engineering (2018)

• Olivia Sanderfoot, M.S. E&R (2015-2017) Post Doctoral Scholar, University of California, Los Angeles Publications

• David Abel, M.S. Joint in E&R and Mech. Eng. (2015-2016) Continued to Ph.D. at UW-Madison, See Above Publications

• Shuai Chen, M.S. E&R (2015-2016) Director of Academician Workstation of Hainan Research, Harbin Institute of Technology

• Andrew Wentland, M.S. AOS (2013-2015) Director of Finance - Data Science & Analytics, Philo

• Xiaomeng Jin, M.S. E&R (2013-2015) Assistant Professor, Rutgers University, New Brunswick, Publications

• Erica Scotty, M.S. AOS (2012-2014) Research Programmer & Analyst Specialist, Marshfield Clinic

• Alexandra Karambelas, M.S. AOS (2012-2013) Continued to Ph.D. at UW-Madison, See Above, Publications

• Keith Cronin, M.S. E&R (2009-2011) Senior Consultant, VEIC

• Matt Luedke, M.S. CEE (2009-2011) Software Engineer, New Jersey State Office of Innovation

• Mitchell Myhre, M.S. E&R (2010) Senior Manager - Business Planning & Regulatory Strategy, Alliant Energy

• Jami Morton, M.S. E&R (2009-2010) Product Manager, Qeepsake

• Steve Plachinski, M.S. E&R (2008-2010) Manager of Energy Efficiency, Andersen Corporation

• Claus Moberg, M.S. AOS (2006-2009) Vice President of Engineering, Roblox

• Caitlin Voight (Littlefield), M.S. E&R (2009) 

• Christopher Dresser, M.S. Land Resources (2006-2008) Air Quality Specialist, Federal Highway Administration

• Heather Eliff (Woods) M.S. AOS (2005-2007) Director, Northbrook Site Lead & USA Site Cordinator, UL

• Matt Johnston, M.S. E&R (2004-2006) Continued to Ph.D. at UW-Madison, See Above

• Raine Gardner, M.S. CEE (2005-2006) Operations Leader, MSA Professional Services

Undergraduate Students by graduation year (working with The Holloway Group upon graduation)

• Chandler Wells, Environmental Sciences & Life Sciences Communication (2025) Graduate Student, Colorado State University

• Raghad Bajouda, Environmental Science (2025), Master’s Student, Rice University

  Summer Acker, Computer Science & Environmental Studies (2024), Ph.D Student, University of Illinois-Urbana Champaign

• Brandon Wolf, Environmental Science & Data Science (2024) Graduate Student, Colorado State University

• Harvey Chen, Global Health (2024) Undergraduate Student, Vanderbilt University

• Ashley Butkus, Biological Systems Engineering (2024) Undergraduate Student, UW-Madison

• Rosalie Powell, Environmental Science & Life Sciences Communication (2024) Communication Assistant, Okanogan Conservation District, Washington

• Alexander Creighton, Environmental Science & AOS (2024) Graduate Student, Penn State University

• Roy Wang, Math (2024) Master's Student, University of Pennsylvania

• Mac Gale (2024) Interior Architect & Graphic Designer, The Turtle Gallery

• Ryan Almeida, Environmental Science (2023) Master’s Student at Viterbo University

• Eliot Kim, Computer Science & Statistics & Math (2023) PhD Student, University of Washington

• Claire Naughton, Environmental Science (2023) Ph.D. Student, Boston University

• Rachael Wood (2023) Marketing and Communications Coordinator, AMPED Association Management

• Jennifer McGinnis, Environmental Science & Biochemistry (2022) Ph.D. Student, Colorado State University

• Emily Tupper (2022) Lead Consultant, Ramboll

• Steph Elkins, Env. Studies (2022), Ph.D. Candidate in Atmospheric Chemistry, MIT

• Colleen Heck, AOS (2022) Continued to M.S. at UW-Madison, See Above

• Sophie Abou-Rizk, Chem. and Env. Studies (2022) Ph.D. Candidate Environmental Science and Engineering, Harvard University

• Zhiqing (Phoebe) Wen, Environmental Science (2021) Strategy Analyst at Envision Energy

• Sebastian Utama, Chemical Engineering (2021) Ph.D. Candidate in Geoscience, University of Texas, Austin

• Ian Cooke, Mechanical Engineering, Mathematics (2021) Student Researcher, SAGE

• Audriana Sadowicz, Chemical & Biological Engineering (2021) Senior Consultant, West Monroe

• McKayla Olig, Chemistry & Environmental Studies (2020) Environmental Analyst, MassDEP

• Riley Herzog, AOS & Environmental Science (2020) Assistant Preschool Teacher, Ginger Bread House

• Maya Welch, Biology (2020)

• Matilyn Bindl, AOS (2019) Graduate Research Assistant, SAGE

• Jacob Lynn, Applied Mathematics, Engineering, and Physics (2019)

• Madankui (Tao-ma) Tao, Environmental Science & German (2019) Postdoctoral Researcher, Massachusetts Institute of Technology

• Peidong Wang, AOS & Mathematics (2019) Stanford Science Fellow, Stanford University

• Emma Nelson, Environmental Science (2019) Implementation Specialist II, VertexOne

• Jonnathan Garcia-Huerta, Civil & Env. Eng. (2019) Project Engineer, Amoroso Construction

• Andy Kieckhefer, AOS (2019) Senior Software Engineer, Emory University

• Elise Penn, Geological Eng. & Applied Math (2018) Research Scientist at Zeus AI

• Anastasia Montgomery, Civil & Env. Eng. (2018) Chief Science Officer at Sponge

• Madeline Opie, Env. Sci. (2018) Environmental Scientist, GEI Consultants, Inc.

• Madeline Isenberg, Env. Sci. (2017) Senior Consultant - Air Quality, ERM

• Maria Castillo, Env. Sci. (2017) Transportation Program Planner, City of Boston

• Yuqi Shi, Env. Sci. (2017) 

• Ya-Chi (Anita) Liu, Env. Sci. (2017) Executive Assistant, Canadian Concept Developments Inc

• Ashley Seufzer, Env. Sci. (2017) Program Manager, Working Lands Program, National Audubon Society

• Colleen Schmit, Conservation Biology, Env. Studies, and Spanish (2017) Advancement Manager, UW–Madison School of Human Ecology

• Ryan Kladar, Chemistry and Civil & Env. Eng. (2017) Senior Data Engineer, Grid Status

• Daniel Minunni, Civil & Env. Eng. (2017) Project Engineer, Infrastructure Engineering Inc.

• Lewis Kunik, Computer Engineering (2016) Graduate Research Assistant, University of Utah

• Anna Bottum, Env. Sci. (2016) Consultant, Data Analytics & Visualization, Environmental Resources Management

• Clayton Groth, Env. Sci. (2016) Full-stack Developer, cQuant.io

• Michael Larson, Mech Eng. (2015) Energy and Resilience Policy Analyst, Center for Climate Strategies

• Arber Rrushaj, Chem. Engineering (2015) Application Administrator, Thermo Fisher Scientific

• Sarah Benish, Biology (2015) National Atmospheric Deposition Program (NADP) Coordinator

• David Abel, Mech. Eng and Env. Studies (2015) Continued to Masters and Ph.D. at University of Wisconsin, See Above Publications

• Elizabeth Kopecky, Env. Sci. (2015) Program Manager at CIRCLE, Tufts University

• Korte Maki, Computer Science; Applied Mathematics, Computer Engineering, and Physics (2014), NLP+AI Scientist at Calendly

• Andrew Wentland, AOS (2013) Director of Finance - Data Science & Analytics, Philo

• Olivia Clifton, Applied Math-Ecology (2012) Scientist, ExxonMobil

• Alexandra Karambelas, AOS (2012) Continued to Masters and Ph.D. at University of Wisconsin, See Above, Publications

• Jacob Oberman, Chem. Engineering (2012) Senior Manager, Accenture

• DJ Rasmussen, AOS (2009) Principal Owner, Degree Day LLC

• Daniel Barker, Biology (2008) Scientific Writing & Communications Manager, Washington State University

• Susanna Ehlers, Geography (2007) Program Analyst, National Science Foundation

Other Team Members (Students, Staff, Interns and Fellows)

• Chandler Wells, Environmental Sciences & Life Sciences Communication (2024-2026) Graduate Student, Colorado State University

• Diah Purba, AOS (2025) Weather Forecaster, Indonesian Agency for Meteorology, Climatology, and Geophysics (BMKG)

• Dr. Haein Kim, Ph.D. E&R (2025) Research Professor, Yonsei University, Publications

• Michael Kamp (2022-2024) Conservation Education Representative, Illinois Department of Natural Resources

• Muhammad Bilal (2023) Assistant Professor, King Fahd University of Petroleum & Minerals

• Janice Poehlman (2020-2022) GIS Program Manager, Triple Oak Power

• Alex Pavelic (2020-2022) Ph.D. Student in Chemistry, California Institute of Technology

• Colleen Schmit (2020-2021) Advancement Manager, UW–Madison School of Human Ecology

• Javier J. Martinez-Santos (2018-2021) Energy Engineer II, Franklin Energy

• Page Bazan (2019-2021) Communications Specialist, UW–Madison's La Follette School of Public Affairs

• Daegan Miller Writer and Critic

• Sara Grange (2018-2019) Program Officer, TRAFFIC, Wildlife Conservation, WWF

• Rhianna Miles (2017-2018) Biological Sciences Graduate Program Coordinator, University of Wisconsin-Milwaukee

• Alana Weir (2016-2017) Postdoctoral Research Fellow, University of Geneva

• Drew Blumenthal (2016) Managing Consultant, Guidehouse

• Meiyun Lin (2008-2010) Physical Scientist, NOAA Geophysical Fluid Dynamics Laboratory, Publications