Research Staff

Photo of Achilles Karagiozis

Achilles Karagiozis

Building Technologies and Science Center Director

Achilles Karagiozis is the director of NREL’s Building Technologies and Science Center. He manages a multidisciplinary team of approximately 150 researchers within the laboratory’s buildings, concentrating solar power, and geothermal technologies groups.

Achilles.Karagiozis@nrel.gov
303-384-7521

Photo of Roderick Jackson

Roderick Jackson

Laboratory Program Manager - Building Technologies R&D

Roderick Jackson is NREL's laboratory program manager for buildings research. He works with senior laboratory management to set the strategic agenda for the buildings portfolio, including research, development, and market implementation activities that improve the energy efficiency of building materials and practices.

Roderick.Jackson@nrel.gov
303-275-4809

Bruno Grunau

Bruno Grunau

Regional Director ARCEE-Sustainable Buildings

Bruno Grunau is regional director of NREL's Cold Climate Housing Research Center in Fairbanks, Alaska. He oversees the center's work in building science, energy policy, and demonstration of healthy, affordable, durable shelter and infrastructure in extreme environments.

Bruno.Grunau@nrel.gov
907-615-6273

Photo of David Roberts

Dave Roberts

Manager, Residential Buildings Research Group

Dave Roberts leads a group of talented engineers and scientists leveraging computer modeling, lab experimentation, and field validation to conduct research and develop innovations furthering residential building energy efficiency.

David.Roberts@nrel.gov
303-384-7496

Photo of Judith Vidal

Judith Vidal

Group Manager, Building Energy Science

Judith Vidal has established an international reputation for cutting-edge work on molten salts. She is a joint faculty member at the Colorado School of Mines and has diversified expertise and capabilities in technologies such as water splitting electrolysis, fuel cells, thermoelectrics, and biofuels.

Judith.Vidal@nrel.gov
303-275-4290

Photo of Michael Deru

Michael Deru

Group Manager, Advanced Buildings Equipment Research

Michael Deru manages the Systems Performance section of NREL's Commercial Buildings Research Group. He leads projects on the development and testing of novel HVAC systems, building performance simulations, performance metrics for sustainability, source energy and emissions factors, water, and the U.S. Life Cycle Inventory Database.

Michael.Deru@nrel.gov
303-384-7503

Stacey Rothgeb

Stacey Rothgeb

Manager | Residential Buildings Solutions and Scaling

Stacey Rothgeb leads a group of talented engineers and professionals focused on residential system integration solutions and scaling, working closely with industry on analysis, market transformation, and workforce development.

Stacey.Rothgeb@nrel.gov
303-275-4361

Photo of Marcus Bianchi

Marcus Bianchi

Acting Group Manager, Commercial Buildings

Marcus is a senior research engineer with the Building Energy Science Group. He is a thermal energy expert and employs his background to conduct research in thermal sciences modeling, analysis, and testing of advanced building envelope components and systems to improve the energy performance of buildings.

Marcus.Bianchi@nrel.gov
303-384-6756

Photo of Kim Trenbath

Kim Trenbath

Acting Group Manager, Communities and Urban Science

Dr. Kim Trenbath is the innovation lead for systems technology research and development in the Building Technologies and Science Center at the National Renewable Energy Laboratory (NREL).

Kim.Trenbath@nrel.gov
303-275-3710

Name Position Email Phone
Adhikari, Rajendra Researcher III-Software Development Rajendra.Adhikari@nrel.gov 303-275-3955
Allen, Amy Researcher III-Mechanical Engineering Amy.Allen@nrel.gov 303-275-4271
Ball, Brian Engineering Brian.Ball@nrel.gov 303-275-4569
Benne, Kyle Researcher V-Software Engineering Kyle.Benne@nrel.gov 303-275-4603
Bernal Heredia, Willy Electrical and Mechanical Engineer Willy.Bernalheredia@nrel.gov 303-384-7404
Bianchi, Carlo Researcher III-Mechanical Engineering Carlo.Bianchi@nrel.gov 303-275-3648
Bianchi, Marcus Acting Group Manager, Commercial Buildings Marcus.Bianchi@nrel.gov 303-384-6756
Blair, Aileen Project Manager III-Research Support Aileen.Blair@nrel.gov 303-384-7364
Bonnema, Eric Researcher IV-Mechanical Engineering Eric.Bonnema@nrel.gov 303-384-6185
Booten, Chuck Senior Engineer Chuck.Booten@nrel.gov 303-275-3167
Bowyer, Chris Project Manager III-Research Chris.Bowyer@nrel.gov 303-275-4844
Brossman, Jes Researcher II-Mechanical Engineering Jes.Brossman@nrel.gov 303-384-7141
Bulk, Alex Researcher III-Mechanical Engineering Alexander.Bulk@nrel.gov 303-384-6358
Burkett, Lena Building Science Research Engineer Lena.Burkett@nrel.gov 202-488-2232
CaraDonna, Christopher Researcher III-Mechanical Engineering Christopher.CaraDonna@nrel.gov 303-275-4535
Charan, Tanushree Researcher III-Mechanical Engineering Tanushree.Charan@nrel.gov 303-384-7249
Charoonsophonsak, Chan Researcher I ARCEE-Building Science Chan.Charoonsophonsak@nrel.gov 907-615-6262
Chinde, Venkatesh Researcher III-Mechanical Engineering Venkatesh.Chinde@nrel.gov 303-275-4825
Chintala, Rohit Researcher III-Electrical Engineering Rohit.Chintala@nrel.gov 303-275-4286
Chlupp, Thorsten Project Manager III ARCEE-Research Thorsten.Chlupp@nrel.gov 907-615-6263
Christensen, Dane Manager - Cybersecurity System Analysis Group Dane.Christensen@nrel.gov 303-384-7437
Cindrich, Nick Researcher II-Mechanical Engineering Nick.Cindrich@nrel.gov 303-275-4947
Coakley, Milena Research Technician II ARCEE-Building Science Milena.Coakley@nrel.gov 907-615-6264
Coleman, Tim Researcher IV-Cyber Security & Resilience Tim.Coleman@nrel.gov 303-275-3743
Cooke, Aaron Project Manager III ARCEE-Research Aaron.Cooke@nrel.gov 907-615-6265
Cu, Khanh Nguyen Researcher II-Mechanical Engineering KhanhNguyen.Cu@nrel.gov 303-384-7156
Dahlhausen, Matthew Researcher III-Mechanical Engineering Matthew.Dahlhausen@nrel.gov 303-384-7543
Dennehy, Conor Researcher III ARCEE-Building Science Conor.Dennehy@nrel.gov 907-615-6267
Deru, Michael Group Manager, Advanced Buildings Equipment Research Michael.Deru@nrel.gov 303-384-7503
Dombrovski, Kelsea Researcher III - Community Energy Researcher Kelsea.Dombrovski@nrel.gov 303-275-4362
Earle, Lieko Senior Research Engineer Lieko.Earle@nrel.gov 303-275-4355
El Kontar, Rawad Researcher III-Mechanical Engineering Rawad.ElKontar@nrel.gov 303-275-3705
Faramarzi, Ramin Researcher V-Mechanical Engineering Ramin.Faramarzi@nrel.gov 303-384-7330
Field-Macumber, Kristin Researcher III-Mechanical Engineering Kristin.Field-Macumber@nrel.gov 303-384-7376
Fleming, Katherine Researcher V-Software Engineering Katherine.Fleming@nrel.gov 303-275-4331
Fontanini, Anthony Researcher IV-Model Engineering Anthony.Fontanini@nrel.gov 303-275-3286
Frank, Steve Instrumentation & Controls Engineer Stephen.Frank@nrel.gov 303-275-4249
Garber-Slaght, Robbin Researcher IV ARCEE-Building Science Robbin.GarberSlaght@nrel.gov 907-615-6270
Georgeson, Allison Professional II-Project Controller Allison.Georgeson@nrel.gov 303-630-5260
Goetsch, Heather Researcher III-Mechanical Engineering Heather.Goetsch@nrel.gov 303-275-4708
Goldwasser, David Researcher IV-Software Engineering David.Goldwasser@nrel.gov 303-275-3785
Grunau, Bruno Regional Director ARCEE-Sustainable Buildings Bruno.Grunau@nrel.gov 907-615-6273
Harris, Chioke Researcher IV-Model Engineering Chioke.Harris@nrel.gov 303-275-3904
Hebert, John Research Advisor I ARCEE NEX Jack.Hebert@nrel.gov 907-615-6274
Henze, Gregor Contingent Worker Gregor.Henze@nrel.gov 303-384-6408
Horowitz, Scott Senior Research Engineer Scott.Horowitz@nrel.gov 303-384-7560
Horsey, Ry Researcher III-Software Engineering Henry.Horsey@nrel.gov 303-275-4919
Houssainy, Sammy Researcher III-Mechanical Engineering Sammy.Houssainy@nrel.gov 720-602-5875
Huang, Ransisi Researcher III-Mechanical Engineering Ransisi.Huang@nrel.gov 303-384-6552
Jackson, Roderick Laboratory Program Manager - Building Technologies R&D Roderick.Jackson@nrel.gov 303-275-4809
James, Nelson Researcher III-Mechanical Engineering Nelson.James@nrel.gov
Jewett, Christian Researcher III-Mechanical Engineering Christian.Jewett@nrel.gov 303-384-7467
Jin, Xin Researcher V-Control Engineering Xin.Jin@nrel.gov 303-275-4360
Karagiozis, Achilles Building Technologies and Science Center Director Achilles.Karagiozis@nrel.gov 303-384-7521
Kaufman, Zoe Buildings Research Engineer Zoe.Kaufman@nrel.gov 303-384-7636
Kim, Janghyun Researcher III-Mechanical Engineering Janghyun.Kim@nrel.gov 303-384-7459
Kishore, Ravi Researcher III-Mechanical Engineering Ravi.Kishore@nrel.gov 303-384-7538
Kochevar, Emily Professional II-Project Controller Emily.Kochevar@nrel.gov 303-384-6633
Kozubal, Eric Sr. Mechanical Engineer Eric.Kozubal@nrel.gov 303-384-6155
Langner, Rois Researcher V-Mechanical Engineering Margarete.Langner@nrel.gov 719-648-4597
Lantonio, Nicole Researcher III-Mechanical Engineering Nicole.Lantonio@nrel.gov 303-384-6355
Leach, Matt Researcher IV-Mechanical Engineering Matt.Leach@nrel.gov 303-384-7987
Lee, Edwin Researcher IV-Mechanical Engineering Edwin.Lee@nrel.gov 303-275-3110
Ling, Jiazhen Researcher IV-Mechanical Engineering Jiazhen.Ling@nrel.gov 303-630-5343
Liu, Lixi Researcher III-Mechanical Engineering Lixi.Liu@nrel.gov 303-384-7230
Livingood, Bill Laboratory Program Manager I-Partnership Development William.Livingood@nrel.gov 303-384-7490
Long, Nicholas Researcher V-Software Engineering Nicholas.Long@nrel.gov 303-384-6183
Lou, Yingli Researcher III-Model Engineering Yingli.Lou@nrel.gov 303-630-5041
Maguire, Jeff Researcher IV-Model Engineering Jeff.Maguire@nrel.gov 303-275-4309
Marsik, Tom Research Advisor I ARCEE NEX Tom.Marsik@nrel.gov 907-450-1785
Marzullo, Thibault Researcher III-Mechanical Engineering Thibault.Marzullo@nrel.gov 303-275-3237
Mayernik, Jack Project Manager IV-Research Support John.Mayernik@nrel.gov 202-488-2209
Merket, Noel Researcher IV-Model Engineering Noel.Merket@nrel.gov 303-275-3156
Meyer, Paul Researcher III-Chemistry Paul.Meyer@nrel.gov 303-275-4770
Mitchell, Matt Researcher III-Model Engineering Matt.Mitchell@nrel.gov 303-384-6845
Moe, Allison Project Manager III-Research Allison.Moe@nrel.gov 303-630-2372
Moore, Nathan Research Engineer Nathan.Moore@nrel.gov 303-275-3072
Munankarmi, Prateek Researcher III-Electrical Engineering Prateek.Munankarmi@nrel.gov 303-275-4359
Munk, Jeff Researcher V-Mechanical Engineering Jeff.Munk@nrel.gov 907-615-6280
Muthumanickam, Naveen Kumar Researcher III-Mechanical Engineering NaveenKumar.Muthumanickam@nrel.gov 303-630-5423
Nam, Dareum Researcher III-Software Engineering Dareum.Nam@nrel.gov 303-630-2457
Odukomaiya, Wale Researcher IV-Mechanical Engineering Adewale.Odukomaiya@nrel.gov 303-630-2420
Park, Ben Building Science Research Engineer Benjamin.Park@nrel.gov 303-275-3285
Parker, Andrew Researcher V-Mechanical Engineering Andrew.Parker@nrel.gov 303-275-4568
Petersen, Anya Senior Software Engineer Anya.Petersen@nrel.gov 303-275-4598
Phillips, Lucas WPC Integrator Lucas.Phillips@nrel.gov 303-384-6482
Pless, Shanti Researcher V-Mechanical Engineering Shanti.Pless@nrel.gov 303-384-6365
Polly, Ben Senior Research Engineer Ben.Polly@nrel.gov 303-384-7429
Praprost, Marlena Researcher III-Mechanical Engineering Marlena.Praprost@nrel.gov 303-275-3909
Present, Elaina Researcher III-Mechanical Engineering Elaina.Present@nrel.gov 303-275-4324
Ramaraj, Sugirdhalakshmi Researcher III-Mechanical Engineering Sugirdhalakshmi.Ramaraj@nrel.gov 303-384-7764
Rettig, Molly Communications Lead Molly.Rettig@nrel.gov 907-615-6282
Reyna, Janet Researcher IV-Mechanical Engineering Janet.Reyna@nrel.gov 303-275-3218
Rippy, Kerry Researcher III-Chemistry Kerry.Rippy@nrel.gov 303-275-4166
Roberts, Dave Manager, Residential Buildings Research Group David.Roberts@nrel.gov 303-384-7496
Robertson, Joe Research Engineer Joseph.Robertson@nrel.gov 303-275-4575
Romero, Rachel Senior Engineer and Project Lead Rachel.Romero@nrel.gov 303-275-3908
Rothgeb, Stacey Manager | Residential Buildings Solutions and Scaling Stacey.Rothgeb@nrel.gov 303-275-4361
Ryan, Taylor Project Manager II-Research Taylor.Ryan@nrel.gov 303-384-6481
Schott, Marjorie Project Manager II NEX-Research Marjorie.Schott@nrel.gov 303-275-3913
Shoukas, Greg Researcher III-Mechanical Engineering Gregory.Shoukas@nrel.gov 303-384-6690
Shrestha, Prateek Research Engineer Prateek.Shrestha@nrel.gov 303-275-3861
Sparn, Bethany Senior Research Engineer Bethany.Sparn@nrel.gov 303-384-7442
Speake, Andrew Buildings Researcher - Software Engineering Andrew.Speake@nrel.gov 303-275-3253
Sprik, Sam Researcher V-Mechanical Engineering Sam.Sprik@nrel.gov 303-275-4431
Steen, Matt Researcher III-Software Engineering Matthew.Steen@nrel.gov 303-384-6486
Stenger, Katelyn Researcher III-Mechanical Engineering Katelyn.Stenger@nrel.gov 303-630-5521
Stevens, Vanessa Project Manager III ARCEE-Research Vanessa.Stevens@nrel.gov 907-615-6283
Stout, Sherry Laboratory Program Manager I-Policy Analysis Sherry.Stout@nrel.gov 303-275-4281
Studer, Danny Program Manager IV-Research Support Daniel.Studer@nrel.gov 303-275-4368
Sullivan, Julia Researcher III-Civil Engineering Julia.Sullivan@nrel.gov 303-630-5357
Swindler, Alex Researcher IV-Software Engineering Alex.Swindler@nrel.gov 303-275-3265
Torcellini, Paul Principal Engineer Paul.Torcellini@nrel.gov 303-384-7528
Trenbath, Kim Acting Group Manager, Communities and Urban Science Kim.Trenbath@nrel.gov 303-275-3710
Truitt, Sarah Project Manager V-Research Sarah.Truitt@nrel.gov 303-275-4684
Tuttle, Robin Project Manager III-Research Robin.Tuttle@nrel.gov 303-384-6958
Van Dyke, Barbara Business Support II-Administrative Associate Barbara.Vandyke@nrel.gov 303-384-7440
Van Sant, Amy Researcher II-Mechanical Engineering Amy.VanSant@nrel.gov 303-384-6806
Vidal, Judith Group Manager, Building Energy Science Judith.Vidal@nrel.gov 303-275-4290
Wang, Jing Researcher III-Mechanical Engineering Jing.Wang5@nrel.gov 303-384-7810
Wheeler, Grant Researcher IV-Mechanical Engineering Grant.Wheeler@nrel.gov 303-275-4577
White, Philip Researcher III-Mechanical Engineering Philip.White@nrel.gov 303-630-5435
Wijesuriya, Sajith Postdoctoral Researcher-Mechanical Engineering Sajith.Wijesuriya@nrel.gov 303-630-5493
Wilson, Eric Senior Research Engineer Eric.Wilson@nrel.gov 303-275-4676
Wiltse, Nathan Group Manager I ARCEE-Research Nathan.Wiltse@nrel.gov 907-615-6288
Winkler, Jon Senior Buildings Researcher Jon.Winkler@nrel.gov 303-275-4356
Woldekidan, Korbaga Researcher IV-Data Science Korbaga.Woldekidan@nrel.gov 303-275-4310
Woods, Jason Researcher V-Mechanical Engineering Jason.Woods@nrel.gov 303-384-6189
Xiong, Jie Researcher III-Mechanical Engineering Jie.Xiong@nrel.gov 303-275-3924
Zeng, Yi Postdoctoral Researcher-Mechanical Engineering Yi.Zeng@nrel.gov 303-275-4033
Zhou, Yueyue Researcher II-Mechanical Engineering Yueyue.Zhou@nrel.gov 303-384-7510

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