Research Staff

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

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

Regional Director CCHRC-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
303-630-2165

Group Manager, Commercial Buildings

Bill Livingood is an expert in building energy analysis, computational thermal analysis, and data acquisition. As manager of the commercial buildings research team, he oversees next-generation simulation capabilities and documents that provide building- and U.S. climate zone-specific design recommendations.

William.Livingood@nrel.gov
303-384-7490

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

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

Group Manager, Communities and Urban Science

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

Manager | Residential Buildings Solutions and Scaling

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

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	Senior Research Engineer and Business Development Lead	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 CCHRC-Building Science	Chan.Charoonsophonsak@nrel.gov	303-275-4092
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 CCHRC-Research	Thorsten.Chlupp@nrel.gov	303-384-7071
Christensen, Dane	Manager - Cybersecurity System Assessment 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 CCHRC-Building Science	Milena.Coakley@nrel.gov	303-384-6218
Coleman, Tim	Researcher IV-Cyber Security & Resilience	Tim.Coleman@nrel.gov	303-275-3743
Cooke, Aaron	Project Manager III CCHRC-Research	Aaron.Cooke@nrel.gov	303-630-2176
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 CCHRC-Building Science	Conor.Dennehy@nrel.gov	303-630-2175
Deru, Michael	Group Manager, Communities and Urban Science	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	Professional IV-Engineer	Stephen.Frank@nrel.gov	303-275-4249
Garber-Slaght, Robbin	Researcher IV CCHRC-Building Science	Robbin.GarberSlaght@nrel.gov	303-630-2174
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 CCHRC-Sustainable Buildings	Bruno.Grunau@nrel.gov	303-630-2165
Haile, Selam	Researcher II-Mechanical Engineering	Selam.Haile@nrel.gov	303-275-3165
Harris, Chioke	Researcher IV-Model Engineering	Chioke.Harris@nrel.gov	303-275-3904
Hebert, John	Research Advisor I CCHRC NEX	Jack.Hebert@nrel.gov	303-630-2166
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	Postdoctoral Researcher-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
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
LeBar, Amy	Researcher II-Mechanical Engineering	Amy.LeBar@nrel.gov	303-384-6806
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	Group Manager, Commercial Buildings	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 CCHRC 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
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	Researcher III-Mechanical Engineering	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	303-630-2172
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
Stenger, Katelyn	Researcher III-Mechanical Engineering	Katelyn.Stenger@nrel.gov	303-630-5521
Stevens, Vanessa	Project Manager III CCHRC-Research	Vanessa.Stevens@nrel.gov	303-630-2169
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	Researcher IV-Systems Engineering	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
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 CCHRC-Research	Nathan.Wiltse@nrel.gov	303-630-2171
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
Zhou, Yueyue	Researcher II-Mechanical Engineering	Yueyue.Zhou@nrel.gov	303-384-7510