Education Ph.D., Chemical Engineering, Massachusetts Institute of Technology M.S., Chemical Engineering Practice, Massachusetts Institute of Technology B.S., Chemical Engineering, Oklahoma State University Professional Experience Group Leader and Senior Research Fellow, NREL (2018–present) Affiliate Faculty, Colorado State University (2019–present) Fellow, Renewable and Sustainable Energy Institute, University of Colorado at Boulder and NREL (2016–present) Group Leader and Senior Engineer, NREL (2011–2018) Engineer, NREL (2008–2011) Senior Lecturer, Massachusetts Institute of Technology, Department of Chemical Engineering (2007) Station Director, Singapore-MIT Alliance, National University of Singapore (2005)

Lignin and waste valorization Plastics upcycling and recycling Performance-advantaged bioproducts Metabolic engineering Bioprocess development Chemical catalysis Polymer science Biochemistry Molecular simulation

Conversion of Biomass to Useful Intermediates. U.S. Patent No. 11,326,190 B2; NREL/PT-2A00-82927 Beckham, Gregg Tyler; Johnson, Christopher W.; Vardon, Derek R. 2022 Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges; NREL/JA-2A00-82693 Li, Houqian; Aguirre-Villegas, Horacio A.; Allen, Robert D.; Bai, Xianglan; Benson, Craig H.; Beckham, Gregg T.; Bradshaw, Sabrina L.; Brown, Jessica L.; Brown, Robert C.; Sanchez Castillo, Marco Antonio; Cecon, Victor S.; Curley, Julia B.; Curtzwiler, Greg W.; Dong, Son; Gaddameedi, Soumika; Garcia, John E.; Hermans, Ive; Kim, Min-su; Ma, Jiaze; Mark, Lesli O.; Mavrikakis, Manos; Olafasakin, Olumide O.; Osswald, Tim A.; Papanikolaou, Kostas G.; Radhakrishnan, Harish; Sanchez-Rivera, Kevin L.; Tumu, Khairun N.; Van Lehn, Reid C.; Vorst, Keith L.; Wright, Mark M.; Wu, Jianyang; Zavala, Victor M.; Zhou, Penzheng; Huber, George W. 2022 ChemRxiv (18 April 2022), 200 pp. Biochemical and Structural Characterization of an Aromatic Ring-Hydroxylating Dioxygenase for Terephthalic Acid Catabolism. Article No. e2121426119; NREL/JA-2A00-81805 Kincannon, William M.; Zahn, Michael; Clare, Rita; Lusty Beech, Jessica; Romberg, Ari; Larson, James; Bothner, Brian; Beckham, Gregg T.; McGeehan, John E.; DuBois, Jennifer L. 2022 Proceedings of the National Academy of Sciences of the United States of America 119, 13, (21 March 2022), 9 pp. Techno-Economic Analysis of Waste Plastic Gasification to Methanol Process; NREL/PR-5100-82636 Singh, Avantika; Afzal, Shaik; Nicholson, Scott; Beckham, Gregg T. 2022 Techno-Economic Analysis of Municipal Solid Waste Gasification to Methanol; NREL/PO-5100-82656 Afzal, Shaik; Singh, Avantika; Nicholson, Scott R.; Beckham, Gregg T. 2022 Front Cover: Comparative Performance of PETase as a Function of Reaction Conditions, Substrate Properties, and Product Accumulation (ChemSusChem 1/2022) Article No. e202102518; NREL/JA-2A00-81913 Erickson, Erika; Shakespeare, Thomas J.; Bratti, Felicia; Buss, Bonnie L.; Graham, Rosie; Hawkins, McKenzie A.; König, Gerhard; Michener, William E.; Miscall, Joel; Ramirez, Kelsey J.; Rorrer, Nicholas A.; Zahn, Michael; Pickford, Andrew R.; McGeehan, John E.; Beckham, Gregg T. 2022 Techno-Economic Analysis and Life Cycle Assessment for Pyrolysis of Mixed Waste Plastics; NREL/PR-5100-82632 Yadav, Geetanjali; Singh, Avantika; Nicholson, Scott R.; Beckham, Gregg T. 2022 Particle Size Reduction of Poly(ethylene terephthalate) Increases the Rate of Enzymatic Depolymerization But Does Not Increase the Overall Conversion Extent; NREL/JA-2A00-83351 Brizendine, Richard K.; Erickson, Erika; Haugen, Stefan J.; Ramirez, Kelsey J.; Miscall, Joel; Salvachua, Davinia; Pickford, Andrew R.; Sobkowicz, Margaret J.; McGeehan, John E.; Beckham, Gregg T. 2022 ACS Sustainable Chemistry & Engineering 10, 28, (18 July 2022), pp. 9131-9140 Corrigendum to "Engineering glucose metabolism for enhanced muconic acid production in Pseudomonas putida KT2440" [Metab. Eng. 59 (2020) 64-75]; NREL/JA-2A00-82313 Bentley, Gayle J.; Narayanan, Niju; Jha, Ramesh K.; Salvachua, Davinia; Elmore, Joshua R.; Peabody, George L.; Black, Brenna A.; Ramirez, Kelsey; De Capite, Annette; Michener, William E.; Werner, Allison Z.; Klingeman, Dawn M.; Schindel, Heidi S.; Nelson, Robert; Foust, Lindsey; Guss, Adam M.; Dale, Taraka; Johnson, Christopher W.; Beckham, Gregg T. 2022 Metabolic Engineering 72, (July 2022), pp. 66-67 Experimental and Analytical Approaches for Improving the Resolution of Randomly Barcoded Transposon Insertion Sequencing (RB-TnSeq) Studies; NREL/JA-2800-83183 Borchert, Andrew J.; Bleem, Alissa; Beckham, Gregg T. 2022 ACS Synthetic Biology 11, 6, (17 June 2022), pp. 1992-2220 The Critical Role of Process Analysis in Chemical Recycling and Upcycling of Waste Plastics; NREL/JA-6A40-81535 Nicholson, Scott R.; Rorrer, Julie E.; Singh, Avantika; Konev, Mikhail O.; Rorrer, Nicholas A.; Carpenter, Alberta C.; Jacobsen, Alan J.; Roman-Leshkov, Yuriy; Beckham, Gregg T. 2022 Annual Review of Chemical and Biomolecular Engineering 13, (June 2022), pp. 301-324 Redesigned Hybrid Nylons with Optical Clarity and Chemical Recyclability; NREL/JA-2A00-81806 Cywar, Robin M.; Rorrer, Nicholas A.; Mayes, Heather B.; Maurya, Anjani K.; Tassone, Christopher J.; Beckham, Gregg T.; Chen, Eugene Y.-X. 2022 Journal of the American Chemical Society 144, 12, (30 March 2022), pp. 5366-5376 Critical Enzyme Reactions in Aromatic Catabolism for Microbial Lignin Conversion; NREL/JA-2A00-80238 Erickson, Erika; Bleem, Alissa; Kuatsjah, Eugene; Werner, Allison Z.; DuBois, Jennifer L.; McGeehan, John E.; Eltis, Lindsay D.; Beckham, Gregg T. 2022 Nature Catalysis 5, (February 2022), pp. 86-98 Debottlenecking 4-Hydroxybenzoate Hydroxylation in Pseudomonas putida KT2440 Improves Muconate Productivity from p-coumarate; NREL/JA-2A00-81795 Kuatsjah, Eugene; Johnson, Christopher W.; Salvachua, Davinia; Werner, Allison Z.; Zahn, Michael; Szostkiewicz, Caralyn J.; Singer, Christine A.; Dominick, Graham; Okekeogbu, Ikenna; Haugen, Stefan J.; Woodworth, Sean P.; Ramirez, Kelsey J.; Giannone, Richard J.; Hettich, Robert L.; McGeehan, John E.; Beckham, Gregg T. 2022 Metabolic Engineering 70, (March 2022), pp. 31-42 Machine-Learning from Pseudomonas putida KT2440 Transcriptomes Reveals its Transcriptional Regulatory Network; NREL/JA-2A00-82394 Lim, Hyun Gyu; Rychel, Kevin; Sastry, Anand V.; Bentley, Gayle J.; Mueller, Joshua; Schindel, Heidi S.; Larsen, Peter E.; Laible, Philip D.; Guss, Adam M.; Niu, Wei; Johnson, Christopher W.; Beckham, Gregg T.; Feist, Adam M.; Palsson, Bernhard 2022 Metabolic Engineering 72, (July 2022), pp. 297-310 Bio-Based Polymers with Performance-Advantaged Properties; NREL/JA-2A00-78149 Cywar, Robin M.; Rorrer, Nicholas A.; Hoyt, Caroline B.; Beckham, Gregg T.; Chen, Eugene Y.-X. 2022 Nature Reviews Materials 7, (February 2022), pp. 83-103 A Flexible Kinetic Assay Efficiently Sorts Prospective Biocatalysts for PET Plastic Subunit Hydrolysis; NREL/JA-2A00-81801 Lusty Beech, Jessica; Clare, Rita; Kincannon, William M.; Erickson, Erika; McGeehan, John E.; Beckham, Gregg T.; DuBois, Jennifer L. 2022 RSC Advances 12, 13, (2022), pp. 8119-8130 Quantification and Evaluation of Plastic Waste in the United States. Article No. 106363; NREL/JA-6A20-78634 Milbrandt, Anelia; Coney, Kamyria; Badgett, Alex; Beckham, Gregg T. 2022 Resources, Conservation and Recycling 183, (August 2022), 8 pp. Bioconversion of Wastewater-Derived Cresols to Methyl Muconic Acids for Use in Performance-Advantaged Bioproducts; NREL/JA-2A00-81863 Henson, WIlliam R.; Rorrer, Nicholas A.; Meyers, Alex W.; Hoyt, Caroline B.; Mayes, Heather B.; Anderson, Jared J.; Black, Brenna A.; Jayakody, Lahiru N.; Katahira, Rui; Michener, William E.; VanderWall, Todd; Salvachua, Davinia; Johnson, Christopher W.; Beckham, Gregg T. 2022 Green Chemistry 24, 9, (7 May 2022), pp. 3677-3688 Recovery of Low Molecular Weight Compounds from Alkaline Pretreatment Liquor via Membrane Separations; NREL/JA-2800-81294 Saboe, Patrick O.; Tomashek, Emily G.; Monroe, Hanna R.; Haugen, Stefan J.; Prestangen, Ryan L.; Cleveland, Nick S.; Happs, Renee M.; Miscall, Joel; Ramirez, Kelsey J.; Katahira, Rui; Tan, Eric C. D.; Yan, Jipeng; Sun, Ning; Beckham, Gregg T.; Karp, Eric M. 2022 Green Chemistry 24, 8, (21 April 2022), pp. 3152-3166