Guest Speakers

John Fitzpatrick

Gettysburg Licensed Battlefield Guide, Attorney, Arbitrator, Aviator and Veteran

  • John Fitzpatrick has been a Licensed Battlefield Guide at Gettysburg since 2004 bringing his life experiences as an Attorney, Arbitrator, Aviator and Veteran to Leadership tours here. An Honors Graduate of Villanova University and the University of Georgia School of Law, he co-authored a Note on the legal issues involved in the recognition by the United States of the Peoples’ Republic of China.

    An Active-Duty USMC Tank Platoon Commander, Pilot and Jet Navigation Instructor, including a combat tour of duty in Vietnam in support of USMC, US Army, Australian and South Vietnamese allies, he then entered Law School. He was Senior Counsel in the Chevron Corporation Law Department for thirty-two years focusing on Administrative, Antitrust, Arbitration and Mediation, Environmental, Franchise, Political Law, recruiting and contract matters. He was a Facilitator in Chevron’s Management and Leadership Forum also serving, for an additional twenty-three years, as an Active citizen-soldier USAF Reservist. He held a Top-Secret Clearance earning several decorations and the rank of Colonel.

Dr. Antony G. Hacking

Social Organizational Psychologist, Global Insights Consulting

  • Antony G. Hacking, M.A., Ph.D., is a social-organizational psychologist and founding principal of C Global Consulting, LLC, an organizational consulting firm specializing in team effectiveness, leadership development, and diversity & inclusion. He holds a B.A. from Vassar College in biopsychology with a minor in Women’s Studies. In addition he holds an M.A. in organizational psychology with specializations in conflict resolution and change management from Teachers College, Columbia University, and a Ph.D. in social-organizational psychology from Columbia University with research interests relating to cross-functional team effectiveness, leadership, and diversity.

    Tony has designed and conducted workshops and consulting interventions for thousands of leaders, managers, diplomats, doctors, healthcare workers, police officers, and teachers in areas of leadership, team effectiveness, diversity and conflict resolution. Some of Tony’s most recent clients include Alcon, AstraZeneca, Shire, The Medicines Company, Bio-Rad Labs, Pfizer, BDO, The Federal Reserve, PGIM, Columbia Business School, The City of New York, NYPD, the United Nations and UNICEF. He is an expert instructor of negotiation, conflict resolution, and mediation and has taught several courses at the International Center for Cooperation and Conflict Resolution (ICCCR) at Teachers College, Columbia University. In addition, Tony is an experienced mediator who has facilitated the successful resolution of both corporate and community disputes.

    Tony has co-authored over 20 articles and white papers on conflict, brain function and motor performance. He is a licensed practitioner for the NBI Assessment; additional certifications include the Team Diagnostic Survey (TDS), DiSC and the Global Diversity Survey (GDS). Tony is a member of the American Psychological Association, Society of Industrial-Organizational Psychologists, and the Academy of Management. He lives in New York City with his wife and two daughters.

Britt Isenberg

Gettysburg Leadership Program Manager

  • Gettysburg Leadership Program Manager Britt Isenberg is a graduate of Millersville University of Pennsylvania. His professional leadership experience prior to joining the Gettysburg Foundation spanned several industries, including transportation and food production. He has utilized that experience for leadership programming at Gettysburg since he became a Licensed Battlefield Guide in 2014.

    Britt has also worked in research and interpretive development at Civil War sites since 2010. He is the author of more than a dozen articles about various aspects of Civil War history and has also authored three non-fiction books about the Civil War: The Boys Fought Like Demons (2016), The 21st Pennsylvania Cavalry (2022), and co-author of Gettysburg’s Peach Orchard with James A. Hessler (2019).

Jean Howard Green

President of Lincoln Cemetery Project Association

  • Jean Howard Green has lived in Gettysburg, PA all her life, born in 1952, to parents Russell and Gladys Minor Howard. The Howard family has been in the Gettysburg area since the late 1890’s

    Jean’s love of history started over twenty years ago, while visiting the National Archives in Washington D. C. and spending three years gathering historical facts on Adams County and surrounding areas. Jean went on to write a book on her ancestors on the Howard side. It tells of their journey to Gettysburg, PA. This has been a labor of love for her. She would also travel to Verdon, France, in 2019, to retrace the footsteps of her great uncle Joseph A. Williams (on her grandmother’s side) who was killed in France. His final resting place is Meuse-Argonne American Cemetery.

    Jean is a board member of the Adams County Historical Society; she also holds the title of “Church Historian” of Gettysburg United Methodist Church which she attends.

    Jean researched and hosted the 200th Anniversary of the first church the Methodist worshipped in, built in 1822 the GAR Hall in 2022. Jean also is working on having Lincoln Cemetery placed on the National Register of Historic Places. Jean is also the President of Lincoln Cemetery Project Association.

Brian Klinzing

Gettysburg Leadership Program Executive Director & VP of Philanthropy

  • Brian Klinzing is AVP, Strategic Partnerships and Leadership Programming and serving as Interim VP of Philanthropy at the Gettysburg Foundation. Brian has twenty-plus years of experience managing teams and leading campaigns for a variety of nationally-significant nonprofit organizations, including the New-York Historical Society, National Audubon Society, Humane Society International, and Orbis International. Early in his career, he spent several years as an Adjunct Professor of History at Fordham University, where he holds an MA in History. He holds a BA in History from the University of Florida. He recently completed an MBA at George Washington University with a concentration in Corporate Responsibility and Strategic Management. He also completed an Executive Leadership Development Course at the Ivey Business School Asia in Hong Kong. He lives outside Frederick MD with his wife and young son.

Therese Orr

Gettysburg Licensed Battlefield Guide

  • Licensed Battlefield Guide Therese Orr has worked at Gettysburg National Military Park since September 2016. A 30-year veteran of the United States Navy and Navy Reserve, Orr retired as a Senior Chief Intelligence Specialist in 2007. Prior to earning her guide license, she served as Lead Assistant at the former Rupp House History Center in Gettysburg, interpreting the story of the civilian experiences during the three-day battle. Therese frequently presents programs for Gettysburg Foundation sponsored educational events.

    Therese enjoys researching and providing specialty tours for visitors to the battlefield and is especially interested in guiding descendants of Civil War soldiers. Therese’s husband, children and grandchildren are descendants of a Union soldier who died in the Battle of Gettysburg and is now buried in the Gettysburg National Cemetery.

Sam Sullivan

Associate Learning Consultant, North America, Exec-Comm

  • As an Associate Learning Consultant, Samuel Sullivan helps business professionals develop communication skills and deliver impactful messages. As a Peace Corps volunteer, he facilitated workshops and community building initiatives throughout Armenia. As a passionate educator, he has taught communications courses for CUNY, St. John’s University, and Goodwin College. He has an M.F.A. in fiction writing from Fairfield University and his creative work has been featured in The New Plains Review.Prior to joining Exec-Comm, Samuel facilitated online public speaking courses for St. John’s University, writing courses for CUNY, and communication courses for Goodwin College. While serving in the Peace Corps, Samuel taught English as a foreign language in his host community and facilitated project design and management workshops for his fellow volunteers. Samuel earned a Bachelor’s Degree in Creative Writing and a Master of Fine Arts Degree in Creative Writing from Fairfield University. Samuel was raised in Pleasantville, New York. He enjoys traveling and has lived and worked in Ghana, Jordan, and Armenia. He hopes to continue his travels with Exec-Comm and help professionals from all over the world develop confidence in their communication skills. He currently lives in Fairfield, Connecticut. He spends his spare time working on his first novel and chasing his Peloton score.