George Mason UniversitySchool of Business

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School of Business alumni honored as Prominent Patriots each year epitomize The Mason Graduate as engaged citizens and well-rounded scholars who are prepared to act. Peer-nominated and peer-selected, the Prominent Patriots represent School of Business alumni as the very best in demonstrating citizenship, scholarship, and leadership in their daily lives.

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2021 Prominent Patriots

Muthu Arigovindan

Muthukumaran Arigovindan, MBA '18
President and Principal Engineer, Geopotential

As Geopotential’s president and principal engineer, Mr. Arigovindan is responsible for upholding the firm’s vision and business planning. With over 18 years of experience in the fields of geotechnical engineering, environmental engineering, construction inspection and testing, and geothermal testing and design, Mr. Arigovindan brings to the table innovative and diverse solutions for the client. With professional engineering licenses in Virginia, Maryland and Washington, D.C., Mr. Arigovindan can implement his years of experience and expertise to the entire region, which is a hot-spot for development.

Mr. Arigovindan is LEED AP BD+C certified and an NVSWCD certified soils morphologist. This further diversifies his portfolio and the expertise that he brings to the client and projects. In addition to this Mr. Arigovindan is also a member of the American Society of Civil Engineers, the Society of Military Engineers, WACEL, and ASTM. He is also the on the board for Loudoun County Economic Development.

Mr. Arigovindan incorporates sustainability on his projects, provides unique solutions for materials reuse, storm-water management practices, and understanding the implementation of the Chesapeake Bay Ordinance. He has designed ground source heat pumps (geothermal) for many educational institutions in the D.C. metro area. He was the program manager for the Arlington County Public Schools between 2011 and 2013. He has worked closely with VDOT, MD-SHA, and DDOT on many projects.

Nazanin Azarian

Nazanin Azarian, BS Accounting '03
Tax Managing Director, Deloitte Tax LLP

Nazanin has over 18 years of experience in the Global Employer Services (GES) practice at Deloitte where she has client service experience in various industries helping them build and operationalize a global mobility function within their organization. Nazanin is passionate about delivering innovative solutions to her clients, promoting diversity, equity and inclusion, and being a positive role model for her team and their well-being.

Nazanin is active in the Mason community as she is often on campus mentoring students and participating in the Accounting Advisory Council. She is a certified public accountant in Virginia and is also a member of the AICPA and VSCPA.

Keith Callahan

Keith Callahan, BS Finance '86
Head, North American Marketing, CharityTransfers.org & Principal, KBC Advisory

Keith Callahan is a proud School of Business graduate with significant business strategy, international treasury, and leadership experience in the global power business. Since retiring from Arlington-based AES Corporation, Callahan has applied himself to non-profits - in both advisory and volunteer capacities. Currently serving a third term on the Mason School of Business Alumni Board, he’s also led the secular business and finances of his local church for a decade. Callahan’s advisory efforts focus on assisting international NGOs create or achieve high performing treasury/risk functions - banking & transacting more efficiently - supporting faster/increased funding of their primary mission. Prior to AES, Callahan enjoyed a successful management career participating in Nordstrom’s rapid eastward expansion. Callahan also ran his own profitable small business throughout the 1990s. Keith and his wife, Teresa, have two adult children and enjoy watching the youngest finish his NCAA soccer career for a Virginia university.

Kristen Cavallo

Kristen Cavallo, MBA '93
Chief Executive Officer, The Martin Agency

Kristen never thought she’d be a CEO. She one hundred percent wanted to be that cool, swashbuckling momma taking her kids on international escapades around the globe. Luckily, she said yes to both. As CEO of The Martin Agency, she works with CCO Danny Robinson to create impactful ideas for clients like GEICO, OREO, CarMax, Old Navy, DoorDash, Coinbase, SnapChat, Nerf, and UPS. They are on a mission to fight invisibility - externally for clients as 84% of ads go unnoticed, and internally to build a culture of inclusivity. In a short time, they’ve eradicated the wage gap by race and gender, leveled the playing field for women in leadership, and tied diversity to business goals. And their work has not gone unnoticed. In 2019 Kristen was named Ad Age Exec of the Year and in 2020 Martin was named Agency of the Year by Adweek, after posting 30% growth during the pandemic. They believe in leading with heart, in overcoming fear, and that real creative magic lies somewhere in between.

Nancy Collins

Nancy Collins, BS Business Administration '80
Chairman, Everest Care Management

Nancy Collins has enjoyed a wide-ranging career in Fortune 100 companies and smaller, high growth enterprises. Collins’ career began with Peat Marwick (KPMG) and subsequently, ROLM, a telecommunications innovator in Silicon Valley. Collins later worked for MCI as VP of State Government and for Xerox as EVP of their Commercial High Tech Industry Group. Currently, Collins is Chairman of Everest Care Management, a firm specializing in injured workers rehabilitation. Since acquiring the company in 2017, the business has grown 300% and is a nationally certified women owned businesses. Collins holds a BS in Accounting from George Mason, an EMBA from Wharton, and a CPA. She and her husband live in Washington, D.C., and have a son, who is a Naval submarine officer.

Andrew Denniston

Andrew Denniston, BS Finance '04, MBA '10
Director of Strategic Planning, SAIC

Denniston serves as director, strategic planning for the Health, State & Local, and Federal Financial Business Unit of SAIC and is an experienced professional with over 20 years of financial planning, management, and business operations experience within the government contracting industry.

Prior to SAIC, Andrew served as the chief strategy officer at Halfaker and Associates to drive the execution of Halfaker’s vision, growth strategy, and assist the CEO with developing, communicating, executing, and sustaining corporate strategic initiatives. Ultimately, he led the sale of the company. Andrew received his BS in Finance in 2002 and an MBA in 2010 from George Mason University. As an undergraduate at Mason, Andrew served as the mascot, Gunston, for two seasons.

Chris Koehler

Christopher Koehler, BS Marketing '96
Chief Marketing Officer, Box

Chris Koehler is chief marketing officer at Box and is responsible for the company's global marketing strategy. Previously, as global VP of customer success at Box, Chris led all global customer success functions, including renewals. Prior to Box, Chris spent more than 20 years leading product marketing, customer success, solution consulting, demand generation and enablement teams at Adobe Systems, E*TRADE Financial, SunTrust Bank, and Claritas. He holds a BS in Marketing from George Mason University, an MBA from Georgia State University, and was a graduate of the Harvard Business Analytics Executive Education Program.

Patrick Kunze

Patrick Kunze, MBA '09
President, GHT Limited

Patrick Kunze, a professional engineer and George Mason MBA Class of 2009 graduate, leads GHT Limited, a locally and nationally recognized leader in mechanical, electrical, and plumbing engineering consulting services. Patrick joined GHT Limited in 2004 and has celebrated 17 years with the company – he quickly ascended to a position of leadership, becoming the company’s youngest senior principal in its history at age 34. With a focus on commercial interiors, Patrick has provided mechanical systems design on office headquarters for the most notable names in business – from CoStar Group, Fannie Mae, and Choice Hotels to the World Bank, FEMA, and the prestigious U.S. Green Building Council Headquarters, to now Amazon’s Metropolitan Park Development in Arlington.

Patrick has been a driving force of GHT Limited’s reputation for client satisfaction and continued success, with the business enjoying an 85% client retention rate. With his focus on strategic growth, employee retention, and exceptional corporate culture, Patrick assumed the role of president for the organization in 2020 as it celebrated its 55-year anniversary. He drives the organization’s commitment to innovation, and personally contributed to exam development for the international LEED Accredited Professional (AP) certification and sat on the DC Technical Advisory Group subcommittee, which developed DC’s Green Construction Codes (the first in the nation), while simultaneously leading sustainable design efforts on Net Zero Energy, LEED Platinum, and WELL Platinum office projects.

His Master of Business Administration, obtained in 2009 from George Mason, continues to serve him more than a decade later as he directs business operations, finance, human resources, employee recruitment + retention, marketing, and business development. Patrick remains active in his community, graduating from the Leadership Arlington program in 2018 and being recognized by the program as a 40 Under 40 honoree. He currently resides in Arlington, Virginia with his wife Victoria and his two children, Charlie and Kate. When Patrick is not at progress meetings, assisting clients with their vision or presenting on the latest Washington, D.C., construction code changes, you can find him sailing at the Wednesday night races on the Chesapeake Bay or riding bikes with his kids.

Chris McCall

Christopher McCall, MBA '13
Co-Founder and Executive Partner, MissionX

Chris McCall, MBA ’13, is a co-founder and executive partner of MissionX; a team of seasoned executives and investment professionals seeking to identify, acquire, grow, and support our nation's next great technology and innovation company serving the defense and intelligence communities. Previously, Mr. McCall served as the vice president of operations for LGS Innovations, a privately-held independent technology company, prior to its acquisition by CACI Intl in 2019. Following the acquisition, Mr. McCall served as the chief of staff for the National Security and Innovative Solutions sector, a 7,000-person business consisting of the technology and products portions of several key acquisitions. Throughout his career, Mr. McCall has ensured that the daily operations of the business were aligned with corporate strategy and growth goals, and that each operating group had the tools and resources to deliver on customer commitments, maintain efficiency, and meet their revenue and profitability goals. Additionally, his business case development and analytics practice (grown through his education at Mason) supported the analysis and direction of over $100M of investments (LGS) resulting in significant enterprise value growth.

Steven Shaffery

Steven Shaffery, Executive MBA '16
Chief Strategy Officer, Assertive Professionals

Steven Shaffery is the chief strategy officer of Assertive Professionals, an economically disadvantaged woman-owned and service-disabled veteran-owned small business that provides strategic business consultation and intelligence operations support to the Department of Defense, Department of Homeland Security, and the US Intelligence Community. Steven utilizes his technical intelligence operations and strategic business consultation experience to develop solutions and methodologies for government customers. He heads the company’s culture and growth strategies and provides direct and indirect support to the company’s customers. Steven holds an undergraduate degree in Homeland Security and earned his MBA from George Mason University in 2016. Steven’s interpersonal communication skills and empathetic leadership style helped cultivate Assertive Professionals’ employee centric culture by providing open communication and transparency to all employees. Steven served over 7 years in the US Army and has completed three tours in Afghanistan. He has served as a board member of AFCEA’s Emerging Professionals in the Intelligence Community Committee where he participated on several panels at George Mason University for both undergraduate and graduate studies students, providing advice and mentorship on how to enter and best succeed within the US intelligence field.

Lisa Spory

Lisa Spory, BS Decision Science and Management Information Systems '99
Chief Technology Officer, BAO Systems

Lisa Spory has over 20 years of experience in federal IT consulting and software development, and has led successful teams in a number of never-before-done software development projects at the Department of Homeland Security and the Department of Defense. Lisa recently joined BAO Systems, an industry leader in digital data solutions for health and development, as the chief technology officer, where she is responsible for leading a diverse team of developers, product managers, and systems administrators to orchestrate major, complex transformation and development projects. Prior to joining BAO Systems, Lisa held a vice president position at Sevatec, which is now part of Octo, where she was responsible for overseeing the delivery, innovation, and growth of a portfolio of DHS programs.

Paul Wilkinson

Paul Wilkinson, BS Finance '94
Executive Vice President of Business Development, 1901 Group

Paul Wilkinson has over 25 years of experience within technical and leadership positions supporting commercial, federal, and DoD programs. Paul is the executive vice president of business development at 1901 Group, a wholly owned subsidiary of Leidos, leading business development, capture management, marketing, and partner channels. Paul is responsible for providing leadership for 1901 Group’s growth initiatives by supporting the development of new markets and services for cloud computing, enterprise managed services, cyber security, software as a service offering, and artificial intelligence and machine learning (AI/ML).

Paul previously held the role of vice president at Salient Federal Solutions (now Salient CRGT) leading the Strategic Market Development Group. Prior to that, Paul served as the chief operating officer of List Innovation Solutions where he was responsible for providing day-to-day operations leadership for business development, human resource management, project operations, and successfully supported the sale of the company to Salient Federal Solutions.

In previous roles, Paul has leadership positions providing product management, information technology services, and management consulting supporting for public and private sector customers. He served as a senior principal, business program manager at SRA International (now General Dynamics Information Technology) overseeing the delivery of IT services for federal civilian agencies. He also was a senior systems consultant at BearingPoint, where he supported the public service practice that provided project management, technology consulting, and ERP systems integration for major DoD application development projects. Prior to BearingPoint, Paul was involved in multiple startups bringing new products to market for enterprise content management, cyber security, and network monitoring solutions.

Paul graduated from George Mason University with a BS in Finance and is a Certified Project Management Institute, Project Management Professional (PMP). He currently lives in Northern Virginia with his wife and three children.