“GRA Maven is a veteran-owned and operated business. Our consultants and advisors are drawn from Tier 1 military special operations units and intelligence agencies in the United States, United Kingdom, and Canada. We are experts in our respective fields and committed to providing the best-in-breed security solutions and training available for our clients.

We make good on our promise by first seeking to understand our clients’ backgrounds, mindsets, capabilities, and needs. Recognizing that each client is unique, we create bespoke solutions that directly address its existing requirements and anticipated challenges.

GRA Maven’s mission is to provide full-spectrum security consulting to government and corporate clients and world-class training to military, government, and law enforcement personnel in the areas of rescue, mobility, and clandestine operations. Our expertise is unquestionable; our people peerless.”

-Kevin Chalker, Founder and CEO


Kevin Chalker, Founder & CEO

After almost two decades of work in academia, government, and diplomacy, Kevin decided to channel his talent and energy into breaking new ground in the private sector. He crisscrosses the planet deepening GRA Maven’s strategic partnerships, maintaining client relations, and guiding overall business development. When not running at 110mph, he’s honing his technique in Brazilian jiu-jitsu or sitting in the bleachers at one of his sons’ little-league games.

Richard “Wally” Wannall, President

Wally served for 29 years in the US Army while assigned to Long-Range Surveillance, Special Forces, and Special Missions Units. As a senior leader in America’s most elite counterterrorism unit, he specialized in the execution of high-risk, complex operations in support of national security objectives. Wally leverages his deep expertise in defense and security to shape and execute on GRA Maven’s strategic vision and objectives.

Raymond “Ray” Whitaker, Director of Operations

Ray serves as GRA Maven’s Director of Operations. He is responsible for the day-to-day business operations of GRA Maven and ensures we provide peerless expertise across the entire company. Before joining GRA Maven, Ray served for over 22 years in the United States Army as an Infantryman and Military Policeman with over a decade of service working inside the Special Operations community as a Physical Security expert. Ray is currently pursuing his Master of Science in Information Security & Assurance from Norwich University.

David “Dai” Powell, Managing Director

Having served and led for 22 years in the British Special Forces, Dai has conducted overseas and domestic counterterrorism missions. He is an expert in clandestine operations, counterterrorism, countering weapons of mass destruction, and domestic security operations. Dai holds unique government cyber-defense experience, enabling him to integrate the capabilities of Global Risk Advisors’ cybersecurity business, GRA Quantum.

Jason Thompson, Senior Director

Jason served for 18 years in the Canadian Armed Forces while assigned to Light Infantry, Reconnaissance, and Special Operations units. As a senior tactical leader in Canada’s Special Forces, Jason planned and executed numerous counterterrorism operations in support of Canada’s strategic interests. He has also been entrusted to lead a similar US Special Operations unit in combat. Jason graduated from the Royal Military College of Canada and is currently pursuing an MBA from Queen’s University.

Robert Vaughan, Director of Training

Robert is a former Special Operations Forces senior noncommissioned officer with over 20 years of combat-tested leadership skills. Robert has a proven ability to manage multiple security projects, tasks, and priorities effectively and in a timely manner. He is highly skilled in building security teams, programs, and physical infrastructure.

Adrian “Aidey” Richards, Managing Director

Aidey’s proven leadership track record through 24 years in the British Special Forces is characterized by his specialist knowledge and operational experience in counterterrorism, clandestine operations, kidnap and ransom, CBRN, and cybersecurity. Trusted with the highest level of security access at governmental and international levels, Aidey’s extensive experience within sensitive inter-agency and multi-national environments is a direct result of his professional skill set. An efficient, result-oriented leader and manager, Aidey brings to GRA Maven consistent delivery of the highest quality solutions to demanding problems within pressurized timescales and environments.

Ellen McGuffog, Operations Associate

Elly serves as GRA Maven’s Operations Manager for marketing and content generation. She coordinates all research, design, and branding of GRA Maven’s government and corporate service offerings. Before joining GRA Maven, Elly graduated from Columbia University where she studied psychology and business while captaining the women’s soccer team.

We proudly serve those who put it on the line every day.

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