Marisa R. Randazzo, PhD

Managing Partner

Email:   MRandazzo@SigmaTMA.com

Dr. Randazzo is a Managing Partner of SIGMA and an international expert on threat assessment, targeted violence, and violence prevention.  Before joining the private sector, Dr. Randazzo served for ten years with the U.S. Secret Service, most recently as the agency's Chief Research Psychologist.  She is co-author of The Handbook for Campus Threat Assessment and Management Teams (2008) and lead author of Implementing Behavioral Threat Assessment on Campus: A Virginia Tech Demonstration Project (2009).  Dr. Randazzo has been interviewed on an array of major television, radio, and print news outlets, including 60 Minutes, the Today Show, the Early Show, 48 Hours, Dateline NBC, MSNBC, the New York Times, and National Public Radio.  For Dr. Randazzo's full bio, please click here.

Gene Deisinger, PhD                                                              

Managing Partner

Email:  GDeisinger@SigmaTMA.com

Major Gene Deisinger, Ph.D. is a Managing Partner of SIGMA and also serves as Deputy Chief of Police and Director of Threat Management Services for Virginia Polytechnic Institute and State University.  He is a licensed psychologist, a certified health service provider in psychology, and a certified law enforcement officer.  Dr. Deisinger developed the threat management program and served as the primary threat manager for Iowa State University from the team's inception in 1994, until accepting his current position at Virginia Tech.  Dr. Deisinger has personally managed threat cases and protective details for a broad range of governmental dignitaries, public figures, and members of the university community.  Dr. Deisinger is lead author of The Handbook for Campus Threat Assessment & Management Teams and was appointed as a Fellow of the U.S. Department of Education Center for Alcohol, Drug Abuse, and Violence Prevention.  For Dr. Deisinger's full bio, please click here.    

SIGMA Consultants

Tara Conway, MA                                                                 

Threat Management Consultant

Email:   Tara.Conway@SigmaTMA.com

Tara Conway is a Threat Management Consultant with SIGMA.  She has experience collaborating with national and international intelligence agencies Department of Defense elements, as well as local, state, and federal law enforcement agencies to analyze threats and coordinate efforts in the areas of response and prevention.  She is an accomplished briefer, having presented to well over 15,000 members of local, state, and federal law enforcement, private sector companies, and school personnel on matters of threat assessment and other intelligence topics.  For Tara's full bio, please click here.

Jeffrey J. Nolan, Esq.                                                               

Senior Consultant

Email:   JNolan@SigmaTMA.com

Jeff Nolan is a Senior Consultant in collaboration with SIGMA, a practicing attorney, and Chair of the Higher Education Practice Group at Dinse, Knapp & McAndrew, P.C.  Mr. Nolan specializes in employment law as well as on legal issues affecting colleges and universities.  Mr. Nolan is featured in several national lists of leading lawyers in employment and labor law.  He also served as a subject matter expert and faculty member for the national campus threat assessment training sponsored by the U.S.  Department of Justice, Office of Community Oriented Policing (COPS  Office).  For Mr. Nolan's full bio, please click here.

Andrew S. Patrick                                                                 

Senior Consultant

Email:   APatrick@SigmaTMA.com

Andy Patrick is a Senior Consultant with SIGMA, a Representative with the South Carolina House of Representatives, and a former Special Agent with the U.S. Secret Service.  Mr. Patrick has extensive experience conducting and supervising threat assessment investigations into threats against the President, First Lady, and other public officials, and in conducting criminal investigations into counterfeiting, financial institution fraud, identity theft, and computer fraud.  He is a licensed private investigator and CEO of Advance Point Global.  For Mr. Patrick's full bio, please click here.

Jeffrey W. Pollard, PhD, ABPP                                      

Senior Consulting Psychologist

Email:   JPollard@SigmaTMA.com

Dr. Jeff Pollard is a Senior Consultant with SIGMA, a Board Certified Licensed Psychologist, and a founding member of George Mason University's Threat Assessment Team, where he is also a Professor in the Department of Psychology.  Dr. Pollard has over 25 years of experience in the prevention of violence on campus and in directing campus counseling and health centers for a range of institutions.  He served as a subject matter expert in the curriculum development for the national campus threat assessment training sponsored by the U.S. Department of Justice, Office of Community Oriented Policing (COPS Office).  For Dr. Pollard's full bio, please click here.

Emily Reineke, MA                                                                 

Threat Management Consultant

Email:   EReineke@SigmaTMA.com

Emily Reineke is a Threat Management Consultant with SIGMA.  She previously worked for the Virginia Tech Police Department as the agency's first Threat Assessment Team Coordinator, a position created to retain her expertise in threat assessment and program development.  She developed the team's mission statement, created a database to manage all threat cases, designed the threat assessment team's website an other educational materials for the campus community, and managed information flow for each weekly threat assessment team meeting.  She has collaborated with state agencies to plan and administer statewide trainining events for Virginia's threat assessment teams.  For Emily's full bio, please click here.

Peter Romary, GKMA; LLB, JD                                

Senior Consultant

Email:   Peter.Romary@SigmaTMA.com

Peter Romary is a Senior Consultant in collaboration with SIGMA; an attorney licensed to practice law in North Carolina, the District of Columbia, and before the U.S. Supreme Court; and, a Certified Arbitrator and Mediator.  In his practice, Mr. Romary has concentrated on civil and criminal litigation, alternative dispute resolution, risk management, and on pro bono representation of over 100 victims of violence per year.  He now serves as Director of Student Legal Services and Adjunct Lecturer at East Carolina University.  Mr. Romary is the recipient of numerous honors, including a Knighthood and the Ellis Island Medal of Honor (the highest civilian honor sanctioned by Congress).  For Mr. Romary's full bio, please click here.

Richard M. Wilson, CPP                                                  

Senior Consultant

Email:   Rich.Wilson@SigmaTMA.com

Rich Wilson is a Senior Consultant with SIGMA and a nationally recognized leader in the profession of threat assessment.  Currently Assistant Chief with the Arizona State University (ASU) Police Department, he was instrumental in implementing the Threat Assessment Management Process at ASU.  He has over 15 years of experience in threat management and team training at the largest public university in the nation.  Mr. Wilson is a Certified Protection Professional and has extensive experience in event security planning, to include numerous Super Bowl games, summer and winter Olympics games, NCAA Men's Basketball Tournament, and numerous Presidential and dignitary protection details.  For Mr. Wilson's full bio, please click here.

Denise Wolf, MA                                                                 

Organizational Dynamics Consultant

Email:   DWolf@SigmaTMA.com

Denise Wolf is an Organizational Dynamics Consultant with SIGMA.  She has worked with a variety of companies in a number of industries, ranging from high-tech to multi-unit retail and distribution.  Her experience includes leadership positions with Microsoft, AT&T Wireless, Starbucks, and Vulcan Inc., where she managed Systems and Physical Security, Facilities and Operations, European Properties, Yachts, and Human Resources.  She helps organizations identify their vision, develop clear goals to achieve defined objectives, and establish systems that foster open communication and the exchange of ideas.  She is trained in mediation, detecting deception, and corporate investigations.  For Denise's full bio, please click here.