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2026 Cyber Summit

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2026 Cyber Summit

When
21 May 2026
7:00 AM - 4:00 PM
Location
Falls Church Marriott Fairview Park 3111 Fairview Park Dr Falls Church, VA 22042

In recent years, it has become abundantly clear that government data has emerged as the primary attack surface for international conflict—and that cyberspace is the principal battlefield. Cyber threats from global adversaries and near-peer nations alike have flooded American systems. Potomac Officers Club recognizes these imposing challenges and proudly presents the 2026 Cyber Summit. At this critical GovCon conference, attendees will join the extremely important conversation with noteworthy cyber officials from across the public and private sectors.

With less than a year until DOW’s 2027 deadline to become zero trust-compliant on all systems, understanding where defense (and civilian) agencies stand in their cybersecurity journeys is a requirement. Learn from industry leaders and forge new partnerships at this year’s Cyber Summit.

WHEN

Thursday, May 21, 2026
7:00am - 4:00pm
Eastern Time Zone

WHERE

Falls Church Marriott Fairview Park
3111 Fairview Park Dr
Falls Church, VA 22042

Keynote Speakers

Aaron Bishop

Chief Information Security Officer & Acting Principal Deputy CIO

U.S. Department of War (DOW)

Robyn B. Celestino

General Counsel

White House Office of the National Cyber Director

Michael Duffy (Invited)

Acting Federal Chief Information Security Officer

Office of Management and Budget (OMB)

Katherine Sutton

Assistant Secretary for Cyber Policy

U.S. Department of War (DOW)

Speakers

Dr. Curtis Arnold

VP/Chief Scientist, Cyber

Core4ce

John Baase

DoD E-ICAM Program Manager

Defense Information Systems Agency (DISA)

Stacy Bostjanick

Retired Federal Servant

U.S. Department of Defense (DOD)

Steve Brining

CISSP

Acronis

Christopher Cleary

Vice President, Global Cyber Practice

MANTECH

Vince Crisler

Chief Strategy Officer

Celerium

Eric Dull

Director, Cyber Division

Deloitte

Dr. Fredrik Fatemi (Pending Approval)

Senior Research Scientist for Quantum Science

DEVCOM Army Research Laboratory, T2COM

Felipe Fernandez

CTO

Fortinet Federal Inc.

Davey Gibian

Deputy CDAO for Warfighting Mission Area

U.S. Department of War (DOW)

Daryl Haegley

Technical Director, Control Systems Cybersecurity

U.S. Department of the Air Force

Sam Hussain

Head of US Defense Sector

Capgemini Government Solutions

Dr. Linda Jones

Deputy Project Manager PM Defensive Cyber Operations

U.S. Department of the Army

Terry Kalka

Director

DC3/DCISE

Jeremy Kepner

Senior Emeritus Professor

MIT Lincoln Laboratory

Michael Machtinger

FBI Cyber Division Deputy Assistant Director

Federal Bureau of Investigations (FBI)

Mark Maglin

Vice President, Department of Defense Cybersecurity

Everforth ECS

Dr. Sarah Muccio

Strategic Planning and Integration Technical Advisor

Air Force Research Laboratory (AFRL)

Leslie Nettles

Acting Deputy CISO

Centers for Medicare & Medicaid Services (CMS)

Bobby New

SVP, Global Pre-Sales Solutions Engineering

Trellix

Khoi Nguyen

Command Acquisition Executive and Director

Cyber Acquisition and Technology Directorate (J9)

Lt. Gen. (Ret) Mary O'Brien

Principal Owner

Mary O'Brien Strategies LLC

Jennifer Obernier

CEO

Grist Mill Exchange

David Raley

Chief Digital Business Officer

Operation StormBreaker, USMC

Ronald Ringgold

Field CISO, Public Sector

SentinelOne

Mitchell Sipus

CEO

North Star Labs

Dr. Rainer Steinwandt

Dean, Science & Professor, Department of Mathematical Sciences

University of Alabama in Huntsville

Vincent Stoffer

CTO

Corelight

Davon Tyler

CISO

U.S. Department of Education

Nitin Vartak

Chief Technology Officer

Alpha Omega

Agenda

7:00am	8:00am	Networking Reception
8:00am	8:10am	Welcome & Opening Remarks
8:10am	8:40am	Opening Keynote: Aaron Bishop
8:40am	9:00am	Mid-Morning Keynote: Robyn B. Celestino
9:00am	9:20am	Morning Keynote: Katherine Sutton
9:20am	9:50am	Networking Break
9:50am	10:50am	Panel A: Quantum Computing and Post Quantum Cryptography - Preparing for the Next Security Disruption \| Mark Maglin (Moderator), Dr. Rainer Steinwandt (Panelist), Vince Stoffer (Panelist), Davon Tyler (Panelist)
9:50am	10:50am	Panel B: Combating Advanced Persistent Threat \| Michell Sipus (Moderator), Eric Dull (Panelist), Daryl Haegley (Panelist), Dr. Jeremy Kepner (Panelist), David Gibian (Panelist), Michael Machtinger (Panelist),Jennifer Obernier (Panelist)
10:50am	11:00am	Break
11:00am	12:00pm	Panel A: AI in Cyber Defense: From Intelligent Detection to Autonomous Resilience \| Nitin Vartak (Panelist), Leslie Nettles (Panelist)
11:00am	12:00pm	Panel B: Cybersecurity at Commercial Speed: Securing CSO Innovation for Defense Missions \| Sam Hussain (Moderator), John Baase (Panelist), Stacy Bostjanick (Panelist), Lt. Gen. (Ret) Mary O'Brien (Panelist), Vince Crisler (Panelist), Khoi Nguyen (Panelist)
12:00pm	12:30pm	Networking Lunch
12:15pm	1:15pm	Lunch Panel: From Automated to Autonomous, Leveraging AI to Evolve Your SOC \| Ronald Ringgold (Moderator), Bobby New (Panelist),Sam Hussain (Panelist)
1:30pm	2:30pm	Panel A: Resilience by Design: Zero Trust, Continuity, and Operating Through Disruption \| Felipe Fernandez (Moderator), Dr. Sarah Muccio (Panelist), John Baase (Panelist), Christopher Cleary (Panelist)
1:30pm	2:30pm	Panel B: Cyber Risk to Mission Risk: Aligning Security, Operations, and Executive Decision-Making \| Steve Brining (Moderator), Dr. Curtis Arnold (Panelist), Terry Kalka (Panelist), David Raley (Panelist), Dr. Linda Jones (Panelist)
2:30pm	3:00pm	Networking Break
3:00pm	3:20pm	Afternoon Keynote: Michael Duffy (Invited)
3:20pm	3:40pm	Mid-Afternoon Keynote
3:40pm	4:00pm	Closing Keynote
4:00pm	4:05pm	Closing Comments

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