Group Leader, Geochemistry & Interfacial Sciences

Andrew G Stack

Group Leader, Geochemistry & Interfacial Sciences

Andrew G. Stack focuses on understanding how minerals form and react with their surrounding solutions. He is the PI of the Basic Energy Sciences Geosciences project at ORNL, entitled "Atomic- to Pore-Scale Geochemical Processes."

Professional Activities and Service

Member, Committee of Visitors, U.S. Department of Energy, Office of Science, Office of Workforce Development for Teachers and Scientists (2023)

Member, U.S. Department of Energy, Office of Science, Basic Energy Sciences Advisory Committee (2019-2022); Chair, Committee of Visitors (2020), U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences Division

Faculty Member, Bredesen Center for Interdisciplinary Research and Graduate Education, University Tennessee/Oak Ridge National Laboratory (2016-present)

Member, American Chemical Society National Award Selection Committee (2021), Officer, ACS Geochemistry Division: Past Division Chair (2015), Division Chair (2014), Program Chair (2013), Program-Chair Elect (2012), Awards Committee Member (2016-2018).  Organizer of Geochemistry Division Programming at National American Chemical Society conferences (fall 2013, spring 2014)

Member of ORNL Committees: Research Conflict of Interest Advisory Committee (2015-2021); Laboratory Directed Research and Development Internal Review Committee, “Next-Generation Techniques and Methods for Neutron Sciences” (2015-2017); Center for Accelerated Materials Modeling Advisory Committee (2015-2016)

Community Workshop Participation

Co-Chair: Subsurface and Geoscience breakout session, AI Town Hall for Science, Lawrence Berkeley National Laboratory (2019)

Panelist and Liaison to the Workshop Chair for the Experts’ Workshop on Carbon Capture, Utilization and Storage for the Mission Innovation Challenge global initiative (2017)

Panelist for Department of Energy, Basic Energy Sciences workshop and contributor to factual document on Basic Research Needs for the Energy-Water Nexus (2017)

Panelist/Roundtable Expert for Department of Energy, Basic Energy Sciences workshops and contributor to report on Subsurface Technology and Engineering Research Program (SubTER) and a new Grand Challenge for Subsurface Science (2015)

Outstanding Contributions to Geosciences Research Award (2014). U.S. DOE Basic Energy Sciences, Geosciences Program Award for One of Top 14 Technical Presentations (out of > 300)

Award for One of Top 14 Technical Presentations (out of > 300), Twelfth Annual Conference on Carbon Capture, Utilization & Sequestration. Pittsburgh, PA, May 13-16, 2013

Profile featured at ORNL website: Part I, Part II and STEM Magazine (2015).

Profile featured in American Chemical Society’s College-To-Career website.

Finalist for Asylum Research AFM Image Contest (2014)

Member, U.S. Department of Energy, Office of Science, Basic Energy Sciences Advisory Committee (2019-2022); Chair, Committee of Visitors (2020), U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences Division

Faculty Member, Bredesen Center for Interdisciplinary Research and Graduate Education, University Tennessee/Oak Ridge National Laboratory (2016-present)

Member, American Chemical Society National Award Selection Committee (2021), Officer, ACS Geochemistry Division: Past Division Chair (2015), Division Chair (2014), Program Chair (2013), Program-Chair Elect (2012), Awards Committee Member (2016-2018).  Organizer of Geochemistry Division Programming at National American Chemical Society conferences (fall 2013, spring 2014)

Editorial Board Member, Geochemical Transactions (2013-present)

Member of ORNL Committees: Research Conflict of Interest Advisory Committee (2015-2021); Laboratory Directed Research and Development Internal Review Committee, “Next-Generation Techniques and Methods for Neutron Sciences” (2015-2017); Center for Accelerated Materials Modeling Advisory Committee (2015-2016)