Fermilab Leadership


The Fermilab Directorate provides the leadership necessary to support and advance the laboratory's scientific mission. This includes setting lab policy and program direction and ensuring support and funding for Fermilab. The Directorate ensures and oversees compliance with applicable DOE contract requirements, regulations, and laws and establishes and maintains excellent relationships with Fermilab stakeholders.


Nigel Lockyer, Director

Fermilab's leadership team is headed by Nigel Lockyer, who holds overall accountability for the performance of the laboratory and fulfillment of the expectations set by the Department of Energy. Lockyer sets the overall scientific strategy for Fermilab, represents the laboratory to external communities, and is the chief spokesperson for the lab as well as an "ambassador" for U.S. particle physics to other countries.

Read Nigel Lockyer's bio


Joseph Lykken, Deputy Director of Research

Joseph Lykken is Fermilab's Deputy Director of Research. A senior scientist at the laboratory, Lykken was a former member of the Theory Department and is a member of the CMS experiment on the Large Hadron Collider at CERN.

Read Joseph Lykken's bio


Christopher Mossey, Deputy Director for LBNF/DUNE-US

Christopher Mossey is Deputy Director for LBNF/DUNE-US and LBNF/DUNE-US Project Director. He manages all aspects of the LBNF/DUNE-US project — the largest international DOE project ever hosted on U.S. soil — at both Fermilab and Sanford Underground Research Facility in Lead, South Dakota.

Read Christopher Mossey's bio


Lia Merminga, PIP-II Director

As PIP-II Project Director, Lia Merminga leads Fermilab's next accelerator project to provide powerful, high-intensity proton beams for future experiments, including the flagship Long-Baseline Neutrino Facility (LBNF) and the Deep Underground Neutrino Experiment (DUNE). PIP-II is the first particle accelerator to be built in the United States with significant contributions from international partners. Merminga, an internationally renowned accelerator physicist, brings a wealth of accelerator construction and leadership experience to Fermilab, including 25 years of experience in superconducting radio-frequency technology.

Read Lia Merminga's bio


Hema Ramamoorthi, Chief of Staff for the Office of the Director and Special Assistant for International Engagements

Hema Ramamoorthi is Chief of Staff for the Office of the Director and Special Assistant for International Engagements. She is responsible for all business related to the director’s mandate, with special emphasis on U.S. governmental and international relations.

Read Hema Ramamoorthi's bio

Senior Laboratory Managers

Inspired by corporate-governance models, Fermilab's senior management is headed by a team of senior leaders who are responsible for all projects, initiatives and operations at the lab.


Elaine McCluskey, LBNF/DUNE-US Project Manager    

As LBNF/DUNE-US Project Manager, Elaine McCluskey leads both the project and LBNF/DUNE-US Division to design, construct and install the near- and far-site facilities, cryo systems and beamline to enable the Deep Underground Neutrino Experiment. Her experience at Fermilab over the past 30 years has included work in the facilities, accelerator and experiment organizations, serving in functional and project management roles. She has worked as a civil /structural engineer and project manager in the private engineering consulting industry. McCluskey holds bachelor’s degrees in physics and civil engineering and a master’s degree in project management. She is a registered professional engineer and structural engineer in Illinois and a certified project management professional.


Jacqueline Bucher, Head of the Office of Communication

As Head of the Office of Communication, Jacqueline Bucher oversees external, internal and digital communications, focusing on increasing awareness and engagement between Fermilab and its key stakeholders. She is responsible for advancing the laboratory’s brand, reputation and mission on a national and international scale. Prior to joining Fermilab, Bucher held a variety of communications and marketing leadership positions in the corporate sector. She earned a bachelor’s degree in marketing from Pennsylvania State University, and an MBA and master’s degree in information systems from Arizona State University.


Sandra Charles, Chief Equity, Diversity and Inclusion Officer

As Chief Equity, Diversity and Inclusion Officer, Sandra Charles is a senior advisor to laboratory leadership. She is a catalyst to leverage best practices and resources in the Fermilab community to promote a workplace culture of inclusion, where individuals of all identities and abilities thrive and are engaged. Charles provides strategic and programmatic leadership for diversity, equity and inclusion initiatives that advance diversity as a critical organizational pillar. In the dual role of Deputy of the Workforce Development Section, she is responsible for leading the talent acquisition life cycle for the laboratory’s workforce initiatives and internship programs. Charles holds a master’s degree in Public Administration from the University of South Florida and a bachelor’s degree from Concordia University in Montreal, Quebec, Canada.


Doug Glenzinski, Chief Project Officer

Doug Glenzinski leads the Project Office to provide project management tools and oversight and assures best practices are used that enable the successful execution of the laboratory's large suite of projects. The CPO works across organizational boundaries to facilitate the successful completion of the lab's portfolio of projects and programs alongside the lab's operational commitments. Most recently, Glenzinski served as deputy project manager and co-spokesperson for the Mu2e experiment. Prior to that he was a Wilson Fellow on the CDF experiment and held several leadership positions in the collaboration. He earned a Ph.D. from Johns Hopkins University and has served on a variety of committees and review panels including the HEPAP advisory panel for DOE and NSF and the LHCC for CERN. Glenzinski is a fellow of the American Physical Society.


Amber Kenney, Chief Safety Officer

As Chief Safety Officer, Amber Kenney serves as the laboratory's principal agent for planning, implementing and overseeing the necessary programs to maintain safe, healthy, compliant and secure workplace conditions. She anticipates and accommodates unique mission needs as they evolve, identifies and advises on risk and mitigations, and recommends environment, safety and health policy and protocols to the laboratory director. Kenney joined Fermilab in the Accelerator Division Operations Department as an accelerator operator, and later joined to the Particle Physics Division ES&H Department. She then served in the laboratory's central ES&H organization in the Environmental Protection Group, managing the air pollution control program. Kenney later managed the team and was appointed Fermilab's Deputy CSO in May 2015. Kenney earned a bachelor's degree in physics from North Central College and a master's degree in Industrial Safety Management from Northern Illinois University.


Anna Grassellino, Superconducting Quantum Materials and Systems Center Director

Anna Grassellino is the Director of the National Quantum Information Science Superconducting Quantum Materials and Systems Center, a Fermilab Senior Scientist and the head of the Fermilab SQMS division. Her research focuses on radio frequency superconductivity, in particular on understanding and improving SRF cavities performance to enable new applications spanning from particle accelerators to detectors to quantum information science. Grassellino is a fellow of the American Physical Society, and the recipient of numerous awards for her pioneering contributions to SRF technology, including the 2017 Presidential Early Career Award, the 2017 Frank Sacherer Prize of the European Physical Society, the 2016 IEEE PAST Award, the 2016 USPAS prize and a $2.5 million DOE Early Career Award. She holds a Ph.D. in physics from the University of Pennsylvania and a master’s of electronic engineering from the University of Pisa, Italy.


Anju Jain, Chief Human Resources Officer, Head of the Workforce, Development and Resources Section

As Chief Human Resources Officer and Head of the Workforce, Development and Resources Section, Anju Jain leads the WDRS team in supporting the lab's equity, diversity and inclusion vision for its workforce needs; modernizing business processes; and ensuring continued Fermilab mission success. She is responsible for the lab's human resources functions including talent acquisition, learning and development, compensation and benefits, visa office and global services. Jain is a published book author and holds a Ph.D. in Human Development from Pennsylvania State University.


Michael Lindgren, Chief Accelerator Officer

Chief Accelerator Officer Michael Lindgren oversees Fermilab accelerator activities, including accelerator operations, maintenance, research and development, construction, installation, and commissioning of new accelerator systems. Most recently the lab's head of the Accelerator Division, Lindgren is a senior scientist at the laboratory. He was Chief Project Officer from 2014 to 2018, the Project Manager for the BTeV experiment, Head of the CDF Department from 2005 to 2009 and Head of the Particle Physics Division from 2009 to 2014. Lindgren received his Ph.D. from the University of California, Riverside, and was previously a research scientist at UCLA.


Alison Markovitz, Chief Strategic Partnerships Officer

As CSPO, Alison Markovitz leads externally focused activities key to the success of Fermilab and its flagship project, the Deep Underground Neutrino Experiment. Markovitz chairs the Resources Review Board, a group comprised of international funding agencies that sponsor the DUNE project. In addition, she oversees the Office of Education and Public Outreach and chairs the Requirements Oversight Board, which manages the laboratory’s policy process. Prior to joining Fermilab, she held several leadership positions within the Department of Energy, most recently as senior advisor to Energy Secretary Ernest Moniz and director of the Laboratory Operations Board. She has worked as a deputy associate counsel at the White House and as a lawyer in private practice. Markovitz received a J.D. from Yale Law School and an undergraduate degree from Yale University.


Martha Michels, Chief Operating Officer (Acting)

Martha Michels is Fermilab's Chief Operating Officer (Acting). Michels plans, directs and oversees the activities of the lab's business functions to ensure integration, effectiveness and accountability in accordance with Lab policy and DOE directives. Michels functions as the line manager for the Workforce Development and Resources Section the Facilities and Engineering Services Sections and assists with work planning, resource utilization, workforce development and execution. She supports the senior management team in formulating and administering organization policies on aspects of operational and strategic issues. Michels earned a bachelor's degree in occupational safety and health from University of Wisconsin at Whitewater. Her experience at Fermilab over the past 29 years has included work in the facilities, ES&H and experiment organizations, serving in both technical and management roles.


Vanessa Peoples, Chief Financial Officer

Vanessa Peoples is Fermilab’s Chief Financial Officer and oversees the lab’s finance section, which includes the procurement, accounting and travel departments. She is responsible for all budgeting and financial reporting functions. A certified public accountant, Peoples obtained a B.S. in accounting from Howard University and an M.B.A. from The University of Chicago Graduate School of Business. Prior to joining Fermilab she held the position of assistant vice president for business and finance and chief business officer for the University of Illinois at Chicago. Peoples brings an in-depth knowledge of financial operations and strategic administrative leadership.


Kevin Pitts, Chief Research Officer

Kevin Pitts is responsible for the scientific research program at Fermilab. His focus is on oversight for the international Deep Underground Neutrino Experiment, including advancing scientific excellence across the laboratory. Pitts has a long history working on experiments at Fermilab, including the discovery of the top quark in 1995 and has served on the Long-Baseline Neutrino Committee since 2016. He was previously Vice Provost for Undergraduate Education and a professor of physics in the Grainger College of Engineering at University of Illinois. Pitts received a B.A. in physics and mathematics from Anderson University and M.S. and Ph.D. degrees in physics from the University of Oregon. He is a fellow of the American Physics Society, the American Association for the Advancement of Science, and was a member of the Particle Physics Project Prioritization Panel.


Alexander Romanenko, Chief Technology Officer

As CTO, Alexander Romanenko provides leadership in planning, directing and overseeing the activities of superconducting radio frequency (SRF) and magnet technology for accelerators and non-accelerator applications, cryogenic technology development for accelerators and detectors, operations of Fermi-CARD accelerator test facilities, and support of various Fermilab projects and the laboratory's accelerator complex. He is responsible for organizing, implementing and reporting on the activities established to support the laboratory's mission in the assigned science and technology areas, ensuring the achievement of short- and long-range goals and objectives, as well as providing the lab's technical vision for the future. Romanenko is a senior scientist at the lab, holds a Ph.D. in physics from Cornell University and joined Fermilab in 2009 as a Peoples Fellow. He is a Fellow of the American Physical Society and his scientific work has been recognized by several national and international awards, including the 2017 USPAS prize for achievement in accelerator physics and technology, 2011 DOE Early Career Award and 2011 IEEE PAST Doctoral dissertation award.


Liz Sexton-Kennedy, Chief Information Officer

Liz Sexton-Kennedy is responsible for both scientific computing and information technology for the lab. The organization ensures that the laboratory's scientific programs have the computing hardware, software, data acquisition and electronics support needed to achieve the optimum level of success and provides the laboratory operations teams with the automated business systems and IT services they require to operate efficiently and effectively. Sexton-Kennedy has substantial CMS leadership experience, most recently as the CMS Software and Computing Project Coordinator. In addition, she was the USCMS Software Support and Project Leader from 2005 to 2016. Sexton-Kennedy earned a bachelor's degree in physics from Rutgers University and master's degree in physics from University of California San Diego.


James Amundson, Head of the Scientific Computing Division

James Amundson is the Head of the Fermilab Scientific Computing Division, which includes scientific computing facilities, services and software development as well as computational physics activities. His recent research work includes both computational accelerator physics and quantum computing applications. He is the lead principal investigator for the ComPASS4 accelerator simulation collaboration under the DOE SciDAC4 program. Amundson joined the laboratory in 1998 after having held positions as a visiting assistant professor and postdoctoral research associate at the University of Wisconsin and Michigan State University, respectively. He earned his Ph.D. in theoretical particle physics from the University of Chicago.


Greg Bock, Head of the Particle Physics Division (Interim)

Greg Bock is interim Head of the Fermilab Particle Physics Division, which includes the lab's cosmic, energy frontier, muon and detector R&D programs. A scientist at Fermilab since 1982, he also serves as the lab's Deputy Chief Research Officer. Bock was previously the associate director for particle physics at Fermilab, project manager for NuMI and KTev experiments, and a member of the KTeV and MINOs collaborations.


Steve Brice, Head of the Neutrino Division

Steve Brice is the Head of the Fermilab Neutrino Division, which includes the Deep Underground Neutrino Experiment, NOvA and construction of the short-baseline neutrino program. Since coming to Fermilab in 2000, he has held a number of leadership positions, including the head of the Intensity Frontier Department, head of the Neutrino Department, co-spokesperson for the MiniBooNE collaboration, and analysis coordinator for MiniBooNE. He has also served as the chair of the Fermilab Wilson Fellowship Committee, of the URA Thesis Award Committee and of the Organizing Committee for the 2009 International Neutrino Summer School. He is a Fellow of the American Physical Society and earned his Ph.D. in physics from Oxford University.


Jon Bakken, Head of the Core Computing Division

Jon Bakken is the Head of the Core Computing Division as well as the Fermilab Deputy Chief Information Officer. As Head of Core Computing Division, he leads the IT arm of the laboratory that is responsible for networking and communication, core and business IT services and data centers. He joined Fermilab in 1994 and has led Core Computing Division since 2011 and has been in the Deputy Chief Information Officer role since April 2018. Prior to that, he was a professor of physics and a member of CERN’s L3 collaboration at Princeton University. In addition, he worked on Superconducting Super Collider projects at Martin Marietta Science Systems in Denver. At Fermilab, he worked on real-time star finding for the Sloan Digital Sky Survey, was a project leader for the Enstore and dCache the mass data storage systems and was the Tier-1 manager of the CMS at Fermilab, overseeing the computing used for the analysis of raw, processed and simulated data straight from CERN's LHC. He was also the department head of CMS Facilities. Bakken earned a Ph.D. in particle physics from Johns Hopkins University.


Tim Meyer, Deputy LBNF/DUNE-US Project Director for Enterprise Coordination and Head of Technology Engagements

Tim Meyer serves as a key advisor in the LBNF/DUNE flagship initiative as Deputy Director for Enterprise Coordination. He is charged with guiding laboratory, government and stakeholder actions, and support to encourage successful completion of the project. Additionally, Meyer oversees the Offices of Partnerships and Technology Transfer and Technology Development and Industry Engagements, leading Fermilab’s engagements with U.S. industry with a focus on technology transfer. He earned a Ph.D. in experimental particle physics from Stanford University and is a graduate of the Department of Energy’s Oppenheimer Energy Science Leadership Program.


Panagiotis Spentzouris, Head of Quantum Science

Panagiotis Spentzouris is the Head of Quantum Science, which includes simulation of quantum field theories, development of algorithms for high-energy physics computational problems, teleportation experiments and applying qubit technologies to quantum sensors in high-energy physics experiments. Spentzouris is a senior scientist at the laboratory, former head of the Scientific Computing Division and the former lead Principal Investigator of the SciDAC ComPASS project. In addition to Quantum Information Science, his research also includes neutrino physics and computational accelerator physics. Spentzouris received his Ph.D. in 1994 from Northwestern University, is a Fellow of the American Physical Society, and joined Fermilab as an associate scientist in 1998.


Patrick Weber, Head of South Dakota Services Division

Patrick Weber is the Head of South Dakota Services Division of Fermilab, based at the Sanford Underground Research Facility in Lead, South Dakota. In this role, Weber is responsible for operations and support services provided through Fermilab for scientists and engineers working on DOE science projects and experiments in South Dakota. Weber previously served as policy advisor to South Dakota Governor Dennis Daugaard, including work with the South Dakota Science and Technology Authority that operates Sanford Lab. He was a member of the South Dakota Board of Regents, which oversees all of the state’s public universities. Weber holds a law degree from the University of South Dakota School of Law and a bachelor’s degree in mathematics from South Dakota State University.

Management system owners

Fermilab is organized into divisions, sections and offices that group similar talents and functions together around common objectives. There is, however, a common set of business functions that cut across the laboratory. To provide insight, consistency and simplified reporting to the Department of Energy, Fermilab recognizes 16 management systems that group common functional responsibilities across the lab. These management systems may be supported by a few individuals or an entire team. Each management system is led by a management system owner who is accountable for developing policies and procedures for common, labwide implementation of the management system.