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Kristen Baldwin

Deputy Director, Strategic Technology Protection & Exploitation

Ms. Kristen J. Baldwin is the Deputy Director for Strategic Technology Protection and Exploitation within the Office of the Under Secretary of Defense for Research and Engineering.  She serves as the Department of Defense (DoD) lead for maintaining technology advantage by mitigating exploitation and vulnerabilities of critical missions, programs, technologies, and the industrial base.  Ms. Baldwin oversees program protection policy and related hardware and software assurance, anti-tamper, and critical technical information protection practices.  She oversees the Joint Federated Assurance Center and leads DoD policy and standards for trusted and assured systems.  She oversees the DoD National Manufacturing Institutes and the Manufacturing Technology program. 

Before this appointment, Ms. Baldwin served as the Acting Deputy Assistant Secretary of Defense for Systems Engineering and Principal Deputy, Systems Engineering, overseeing engineering policy, practice, and the DoD engineering workforce.  She led digital engineering, system security engineering, trusted and assured microelectronics, and system of systems engineering initiatives and was a founder of the DoD Systems Engineering Research Center, a University Affiliated Research Center. 

A member of the Senior Executive Service since 2007, Ms. Baldwin has also served as Deputy Director, Software Engineering and System Assurance.  Before joining the Office of the Secretary of Defense, Ms. Baldwin served as a science and technology advisor in the Army’s Office of the Deputy Chief of Staff for Operations and Plans.  She began her career at the U.S. Army’s Armament Research, Development, and Engineering Center, Picatinny Arsenal.

Ms. Baldwin is a recipient of the Meritorious Presidential Rank award in recognition of exemplary service, and the National Defense Industrial Association Lt Gen Thomas R. Ferguson, Jr., Systems Engineering Excellence Award.  She holds a Bachelor of Science in Mechanical Engineering from Virginia Tech and a Master of Systems Management from the Florida Institute of Technology.

Dr. Timothy P. Grayson headshot

Dr. Timothy P. Grayson

Director, Strategic Technology Officer

Dr. Timothy Grayson is Director of the Strategic Technology Office (STO) at DARPA.  In this role, he leads the office in development of breakthrough technologies to enable warfighters to field, operate, and adapt distributed, joint, all-domain combat capabilities at continuous speed.  Dr. Grayson came to STO in 2018 from a varied career in government and industry.  Most recently he was the founder and president of Fortitude Mission Research LLC, a consulting company specializing in strategy and technology analysis related to defense and intelligence.  Dr. Grayson has extensive government experience.  He spent several years as a senior intelligence officer with the Central Intelligence Agency (CIA) in the Directorate of Science and Technology and culminating in a tour at the Office of the Director of National Intelligence. Prior to CIA, Dr. Grayson was a program manager and senior scientist at DARPA.  Dr. Grayson holds a Ph.D. in Physics from University of Rochester, where he specialized in quantum optics, and a B.S. in Physics from University of Dayton with minors in mathematics and computer science.

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Dr. Daniel Ragsdale

Assistant Director for Cyber, OUSD (R&E), DoD (confirmed)

Dr. Daniel “Rags” Ragsdale is the Assistant Director for Cyber, in the Office of the Director of Defense Research and Engineering (Research & Technology). In that role, Dr. Ragsdale is responsible for coordinating cyber modernization efforts across the Department of Defense, with specific responsibility for the establishment of policies and for supervision over cyber modernization research and engineering, technology development, prototyping, experimentation, developmental testing, and transition activities.  He is also responsible for making recommendations concerning the allocation of resources and alignment of efforts across the Department.

Before his recent return to service in the Department of Defense, Dr. Ragsdale was the founding director of the Texas A&M Cybersecurity Center and a Professor of Practice in the Department of Computer Science and Engineering. In the Director role, Dr. Ragsdale was responsible for leading, coordinating, and facilitating cybersecurity research and educational activities across the University.  Dr. Ragsdale had previously served as a Program Manager in the Defense Advanced Research Projects Agency (DARPA).  In that capacity, he successfully led and managed a $175M research and development portfolio of classified and unclassified cybersecurity and educational programs.

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Dr. Mark Rosker

Office Director, Microsystems Technology Office (MTO)

Dr. Mark Rosker became director of DARPA's Microsystems Technology Office (MTO) in April 2019. Prior to this, he was deputy director of Defense Sciences Office (DSO) beginning in April 2018.

Prior to his most recent DARPA appointment, Dr. Rosker was a principal engineering fellow at Raytheon Space and Airborne Systems (SAS) in Rosslyn, Virginia, working to anticipate and recognize emerging technical directions and program opportunities within the government science and technology (S&T) community. From 2003 to 2011, Dr. Rosker was a program manager in DARPA’s Microsystems Technology Office (MTO). As program manager, he developed a portfolio of technical programs in gallium nitride and other compound semiconductor radio frequency (RF) device technologies, heterogeneous circuit integration, terahertz electronics, and quantum cascade lasers. One of Dr. Rosker’s programs, the Wide Band Gap Semiconductors for Radio Frequency Applications (WBGS-RF) program, was selected in 2016 for the prestigious “DARPA Game-Changer Award.” In 2009, Dr. Rosker became the deputy director of MTO, and he ended his first tour as the acting office director.

Prior to 2003, Dr. Rosker worked in NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, where he was a member of the submillimeter wave advanced technology group. Dr. Rosker was also at the Rockwell Scientific Co. (now Teledyne Scientific) in Thousand Oaks, California, from 1989 to 2003. His technical work there was in researching nonlinear optics, including photorefractive oscillators and visible and infrared frequency conversion materials and devices, time-domain spectroscopy of optical materials, and optical power limiters. He later led research groups within the materials science and the electronics divisions. From 1986 to 1989, he was a postdoctoral research fellow at Caltech, where he performed fundamental studies (cited in the 1999 Nobel Prize in Chemistry) observing the dynamics of unimolecular chemical reactions in real-time.

He received his Bachelor of Science in physics from the California Institute of Technology in 1981, and his Master of Science (1983) and doctorate (1987) in applied and engineering physics from Cornell University.

In 2012, Dr. Rosker was selected as a Fellow of the IEEE for “his leadership in microwave and millimeter-wave

Nicholas M. Chaillan

Nicolas Chaillan

Chief Software Officer, Unites States Air Force

Mr. Nicolas Chaillan, a highly qualified expert, is appointed as the first Air Force Chief Software Officer, under Dr. William Roper, the Assistant Secretary of the Air Force for Acquisition, Technology and Logistics, Arlington, Virginia. He is also the co-lead for the Department of Defense Enterprise DevSecOps Initiative with the Department of Defense Chief Information Officer. As the Air Force’s senior software czar, Mr. Chaillan is responsible for enabling Air Force programs in the transition to Agile and DevSecOps to establish force-wide DevSecOps capabilities and best practices, including continuous Authority to Operate processes and faster streamlined technology adoption.

The Chief Software Officer works with the Program Executive Officers and is responsible for analyzing current software and cloud migration plans to avoid vendor lock-ins while allowing for rapid prototyping and a streamlined process for deployment. To keep up with the pace of technology, Mr. Chaillan evaluates and authorizes new commercially available off-the-shelf software and cloud-related technologies to help with their adoption across various Air Force programs based on their mission needs.

Prior to his current position, Mr. Chaillan was the Special Advisor for Cloud Security and DevSecOps at the Department of Defense, OSD, A&S and Special Advisor for Cybersecurity and Chief Architect for Cyber.gov at the Department of Homeland Security. He designed the new robust, innovative and holistic .Gov cybersecurity architecture (Cyber.gov), that mitigates cyber threats by leveraging best practices and implementable solutions with minimal impact to workforce efficiency.

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Chandra Brown

CEO, MxD

As CEO of MxD, Chandra Brown leverages over 25-years’ experience in manufacturing and international trade and is responsible for overseeing the $90+ million dollar research, development, and demonstration portfolio of DoD’s Digital Manufacturing Institute and National Center for Cybersecurity in Manufacturing in Chicago. With a network of approximately 300 members from industry, government, non-profits, and academia, Chandra leads MxD’s mission to equip U.S. factories with the digital tools and expertise they need to begin building every part better than the last.

Prior to taking the helm at MxD, Chandra served as the Deputy Assistant Secretary of Manufacturing in the International Trade Administration at the U.S. Department of Commerce, where she promoted U.S. businesses worldwide and worked to remove trade barriers. Chandra oversaw several programs aimed at increasing the international competitiveness of U.S. manufactures while boosting American exports and helping foster an economic environment aimed at creating living-wage jobs for American workers. Since obtaining both her BS and MBA from Miami University—in addition to her public service and irrespective of her individual role—Chandra has become a sought-after public-speaker who lectures around the world on topics as diverse as manufacturing, international trade, and gender issues and has consistently worked to strengthen American manufacturing through innovative, forward thinking, well-executed strategies.

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Tom McDermott

Deputy Director, Systems Engineering Research Center (SERC)

Mr. Tom McDermott is a Systems Engineering consultant, practitioner, and research leader. He serves as the Deputy Director of the Systems Engineering Research Center (SERC) at Stevens Institute of Technology in Hoboken, NJ. The SERC is a University Affiliated Research Center sponsored by the Office of the Secretary of Defense for Research and Engineering. With the SERC he develops new research strategies and is leading research on Digital Engineering transformation, education, security, and artificial intelligence applications. Mr. McDermott also teaches system architecture concepts, systems thinking and decision making, and engineering leadership. He is a lecturer in Georgia Tech’s Professional Education college. He consults with a number of organizations on enterprise modeling for transformational change, and often serves as a systems engineering expert on government major program reviews. He serves as the Director of Strategic Integration for the International Council on Systems Engineering (INCOSE).


Mr. McDermott has over 33 years of background and experience in technical and management disciplines, including 15 years at the Georgia Institute of Technology and 18 years with Lockheed Martin. He served as Director of Research and Deputy Director of the Georgia Tech Research Institute (GTRI) from September 2007 until August 2013, including Interim Vice President and GTRI Director May 2010-January 2011. Prior to GTRI, he spent 18 years with Lockheed Martin Aeronautics Company (1984-2002). He held a director level position with Lockheed Martin from April 1999 – May 2002, serving as Product Team Lead and Division Manager for Lockheed Martin’s F-22 Raptor Avionics Team. He successfully led the F-22 Avionics team to Raptor #4004 avionics first flight in January 2001.

Director of the Federal Energy Management Program (FEMP) in the Office of Energy Efficiency and Renewable Energy

Dr. Robert W. Ivester

Director of the Federal Energy Management Program (FEMP), Office of Energy Efficiency and Renewable Energy

Dr. Robert W. Ivester currently serves as the Director of the Federal Energy Management Program (FEMP) in the Office of Energy Efficiency and Renewable Energy. FEMP oversees the implementation of policy and actions that result in energy efficiency implementation, renewable energy adoption, and reduction in energy and water use in federal government operations.

Prior to this position, he served in AMO for six years. During that time, AMO launched five Manufacturing USA Institutes, the Critical Materials Hub, and hundreds of small R&D and technical assistance projects across the Nation. He also worked at the National Institute of Standards and Technology for over 16 years, leading and performing research in advanced manufacturing.

He has been an instructor for the Johns Hopkins University Engineering for Professionals program for graduate-level studies in manufacturing engineering since 2001. He is a SME Fellow and a Fellow of the American Society of Mechanical Engineers. He received his doctorate in engineering and a Bachelor of Science in Mechanical Engineering and Master of Science in Manufacturing Engineering from the University of Massachusetts at Amherst.

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Bob Kolasky

Assistant Director, National Risk Management Center (NRMC)

Bob Kolasky was selected to lead the Cybersecurity and Infrastructure Security Agency’s (CISA) National Risk Management Center (NRMC) in 2018, at the Department of Homeland Security (DHS). As Assistant Director, he oversees the Center’s efforts to facilitate a strategic, cross-sector risk management approach to cyber and physical threats to critical infrastructure. The Center provides a central venue for government and industry to combine their knowledge and capabilities in a uniquely collaborative and forward-looking environment. Center activities support both operational and strategic unified risk management efforts.

Mr. Kolasky’s current position is the culmination of years of risk and resilience experience. He most recently served as the Deputy Assistant Secretary and Acting Assistant Secretary for NPPD’s Office of Infrastructure Protection (IP), before it became the CISA Infrastructure Security Division on November 16, 2018, where he led the coordinated national effort to reduce the risk posed by acts of terrorism and other cyber or physical threats to the nation’s critical infrastructure, including soft targets and crowded spaces.

Mr. Kolasky has served in a number of other senior leadership roles, including acting Deputy Under Secretary for NPPD before it became CISA. In that position, he helped to oversee CISA’s efforts to secure the nation’s physical and cyber infrastructure. He has also held a position as the Director of Strategy and Policy for the Infrastructure Security Division, where he led strategic planning, performance management and budgeting for the organization, and served as Director of the DHS Cyber-Physical Critical Infrastructure Integrated Task Force to implement Presidential Policy Directive 21 on Critical Infrastructure Security and Resilience, as well as Executive Order 13636 on Critical Infrastructure Cybersecurity.

Daniel C. Holtzman headshot

Daniel C. Holtzman

Cyber Technical Director, Technical Director, Cyber Resiliency Office for Weapon Systems (CROWS); AF Authorizing Official, Command & Control Systems; AF Authorizing Official, Rapid Cyber Acquisitions (RCA)

Daniel C. Holtzman has been appointed as the Air Force Highly Qualified Expert, Cyber Technical Director, assigned to the Air Force Materiel Command Life Cycle Management Center at Hanscom Air Force Base, Massachusetts, where he serves as an internationally recognized authority in the areas of cyber security, program protection planning, security engineering, supply chain risk management, mission and system assurance and resiliency. As the Cyber Security Engineering and Resilience Senior Leader, Mr. Holtzman’s responsibilities include being the technical authority for security engineering, cyber resiliency and systems and mission assurance; engineering resilient systems; and defensive security engineering. Mr. Holtzman has also been appointed as the Authorizing Official for U.S. Air Force Command and Control Information Technology and Rapid Cyber Acquisition IT. Prior to this appointment, Mr. Holtzman had served as the Air Force Chief Engineer for a joint U.S. and NATO aircraft modernization program and a U.S. Air Force aircraft modernization program, successfully navigating two production decision milestone, and also served as an appointed Program Executive Officer Anti-Tamper Lead.

Mr. Holtzman has more than 30 years of experience in large scale systems engineering, high assurance and real time weapon systems acquisitions in support of the U.S. Department of Defense and NATO. He worked for public and private industry and federally funded research and development centers and participated on numerous senior study teams, including studies conducted by the Joint Chiefs of Staff. Mr. Holtzman was recruited for a Chief Information Officer assignment at a publicly traded company and has participated in technology development research and adaptation to military systems acquisitions.

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Sergio McKenzie

Chief Information Security Officer (CISO), Chief of the Cybersecurity Services & Integration Division (CSID),  NASA Goddard Space Flight Center (GSFC)

Sergio McKenzie is the NASA Goddard Space Flight Center (GSFC) Chief Information Security Officer (CISO) as well as the Chief of the Cybersecurity Services & Integration Division (CSID). Mr. McKenzie has over 20 years of managerial experience with remarkable success in a number of areas including cybersecurity, network operations, application/web development, system administration, telecommunications, visual information, medical photography, and information assurance/security, to name a few.

In his current position, Sergio has a myriad of responsibilities leading a team of close to 60 cybersecurity professionals. As the CISO for Goddard since 2016, Sergio established the standup of CSID and became the lead force in creating a solutions mindset and approach for cybersecurity while rebuilding the trust of CSID’s customers and partners in both the corporate and mission environments. Among his many honors and distinctions, Sergio is a graduate of the University of Maryland University College with an MS in Technology Management, is certified as a Chief Information Security Manager (CISM), a Distinguished Military Graduate, and a recipient of one of the Army Medical Department’s top honor as the Information Management and Information Technology (IM/IT) Civilian of the Year in 2004.  Recently awarded the Robert H. Goddard Exceptional Achievement for Leadership Award, Sergio has been a mentor and counsel to countless staff members, leading people and programs through an array of complex IT success stories. In addition, Sergio is known for his ability to bring together divergent views and devise viable and valuable solutions to any problem at hand.

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Ms. Nicole Petta

Assistant Director for Microelectronics Office of the Under Secretary of Defense for Research and Engineering

Ms. Nicole Petta joined the Office of the Under Secretary of Defense for Research and Engineering as the Assistant Director (AD) for Microelectronics in December 2018.  In this role, Ms. Petta acts as the Department of Defense (DoD) technical and oversight lead, advising the Under Secretary of Defense for Research and Engineering and DoD leadership on all relevant research and engineering matters in the critical modernization priority area of microelectronics identified in the National Defense Strategy. She is responsible for a Department-wide look at microelectronics modernization, which includes establishing policies on, and supervising all defense research and engineering, technology development, technology transition, prototyping, experimentation, and developmental testing activities and programs to include the allocation of resources, and alignment of efforts across the Department. In this role, she coordinates with the Services and the Under Secretary of Defense for Acquisition and Sustainment to include transition in acquisition strategies and plans; and seeks to ensure a supporting industrial base capability to achieve microelectronics modernization. She will develop an overarching modernization plan rapidly advancing DoD microelectronic capabilities.