Our Staff and Faculty


Diamond6 is primarily a family-run business. Jeff and his daughter Tanya have worked together since 2002, developing and executing leadership workshops in and around Central Pennsylvania. Through the years they have fostered personal relationships with their clients and are growing their staff. Now they serve clients all over the country through their workshops, speaking engagements and executive coaching.

mccaulsandJeffrey McCausland, Founder and CEO

Dr. Jeffrey McCausland, Founder and CEO of Diamond6 Leadership, LLC is a retired Army Colonel with over 30 years of unique and challenging leadership experiences. As a retired military officer and veteran Jeff’s work has taken him all over the world serving in a variety of command and staff positions in places such as the on National Security Council Staff, U.S. Army War College in Carlisle, PA and the Pentagon.

Since 2003 Jeff has served as a national security consultant to CBS radio and television as a frequent commentator on the war in Iraq and Afghanistan. Jeff has also appeared on MSNBC, CSPAN, CNN, and the CBS Morning Show as well as being interviewed by the New York Times, Christian Science Monitor, Wall Street Journal, and Boston Globe.

Jeff works very closely with his clients to ensure they have a workshop experience that fully addresses their needs and goals. He is dedicated to making each workshop a unique and valuable experience for each participant.

Tanya SW Headshot

Tanya McCausland, Communications Manager

Tanya is responsible for corporate communications at Diamond6, as well as developing workshops for new and returning clients. During the first years of running workshops with Jeff she did everything from picking participants up at the airport, driving the shuttle van, setting up audio visual equipment and even cooking dinner for a few clients. She has played a vital role in the growth and success of Diamond6. Tanya is also a Nutrition Consultant and owner of Home Cooked Healing. She helps her clients create healthy and sustainable lifestyle habits through 1:1 coaching, workshops and talks.

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Holly Tiley, Office Manager/Events Coordinator

Holly McLaughlin Tiley served as an Intelligence Operations Research Officer with the Central Intelligence Agency for three years after graduating from Dickinson College in Carlisle, PA with a BA in Spanish. She returned to Carlisle when she married in 1989. Beginning with the birth of her first child in 1992 she chose to be a stay-at-home mom and active community volunteer. Holly is a strong supporter of the community that has given so much to her and her family.   She has taken leadership positions on numerous boards, including the Friends of the Bosler Library, YMBS PTO, BSA Troop #171, APTC (local theatre camp), Cumberland County Lawyers Auxiliary, as well as St. John’s Episcopal Church. Holly brings strong organizational skills as she reenters the workforce as the Office Manager/Events Coordinator for Diamond6 Leadership.

30Phil McCausland, Copywriter and Editor

Phil McCausland is a freelance writer and editor living in New Orleans. A graduate of the University of Mississippi, Phil regularly writes for The New Orleans Advocate. His writing has appeared in MunchiesOxford AmericanPaste MagazineOffbeat MagazineArt + Design, been featured in The New York Times and The Georgia Review and is forthcoming from The Bitter Southerner and The Virginia Quarterly Review. He was recently invited to attend the 2015 Southern Foodways Alliance Rivendell Writers’ Workshop. Learn more about Phil and his writing at www.philmccausland.com.

Zac_McMullenZachary McMullen, Diamond6 Intern

Zac is a Dickinson College Policy Management undergraduate. When he is not studying, Zac enjoys competing in intramural sport leagues and hanging out with his friends. He has a passion for traveling and hopes to one-day write about his experiences all over the world. After graduation, he hopes relocate and pursue a career in Management Consulting or Finance. Zac has been a Diamond6 intern since the Summer of 2015.

Hunter HeadshotHunter Tuccio, Diamond6 Intern

Hunter is a Dickinson College Economics Undergraduate. He is from Ridgefield, Connecticut where he grew up in a family of five. On campus, he serves as a member of the Dickinson College Liberty Cap Society; an organization of tour guides for the College. He also serves as a team member for the Finance and Liabilities sector of Idea fund; a entrepreneurial incubator on campus. He has had a past internship at Incident Aide Systems in Los Altos, California this past summer, where he learned the various stages of a start-up company. He has a unique passion for entrepreneurship, and venture capitalism. Hunter has been an intern for Diamond6 since fall 2015, and has become an important part of the team.


Diamond6 has an incredible team of faculty, each with their own area of expertise in areas of leadership, conflict resolution, organizational culture and executive wellness. This ensures that clients receive a well rounded experience and learn skills from a variety of perspectives. Our faculty members have held leadership roles in military combat, education, non-profits and corporations.

Dr. Jeff McCauslandJeffrey McCausland, Founder and CEO

Dr. Jeffrey McCausland, Founder and CEO of Diamond6 Leadership, LLC is a retired Army Colonel with over 30 years of unique and challenging leadership experiences. As a retired military officer and veteran Jeff’s work has taken him all over the world serving in a variety of command and staff positions in places such as the on National Security Council Staff, U.S. Army War College in Carlisle, PA and the Pentagon.

barnoLieutenant General David W. Barno, USA (retired)

David Barno is a Senior Fellow and Co-Director of the Responsible Defense Program at the Center for a New American Security. A highly decorated military officer with over 30 years of service, he has served in a variety of command and staff positions in the United States and around the world, to include command at every level. He served many of his early years in special operations forces with Army Ranger battalions, to include combat in both the Grenada and Panama invasions.

Dr. Kent Bechler

Dr. Kent Bechler served as superintendent of the Corona-Norco Unified School District, the 9th largest school district in California from 2007 to 2012. Corona-Norco Unified School District was named a 2012 finalist for the $1 million Broad Prize for Urban Education. The Broad Prize for Urban Education is the largest education prize in the country, honoring school districts that demonstrate the greatest overall performance and improvement in student achievement, while reducing achievement gaps among poor and minority students.

Ambassador Lincoln P. Bloomfield, Jr.

Ambassador Lincoln P. Bloomfield, Jr. (Harvard, a.b, cum laude, Government, 1974; Fletcher School, M.A.L.D., 1980) is Chairman of the Henry L. Stimson Center in Washington, DC. He was the President’s Special Envoy for MANPADS Threat Reduction from 2008-09, and Assistant Secretary of State for Political Military Affairs as well as Special Representative of the President and Secretary of State for Humanitarian Mine Action from 2001-2005.

David P. Campbell, Ph.D.

David was educated in the Midwest, earning his B.S. and M.S. degrees from Iowa State University, and his Ph.D. in psychology from the University of Minnesota. David is perhaps best known for his popular books: If You Don’t Know Where You’re Going, You’ll Probably End Up Somewhere Else; Take the Road to Creativity and Get Off Your Dead End; and If I’m in Charge Here, Why Is Everybody Laughing?

James W. Davis, Founder and President, The Davis Group Ltd

James W. Davis is the founder and President of The Davis Group Ltd an international consulting firm. Mr. Davis has nearly 40 years of experience in the public and private sectors. He also serves as a speaker and consultant to organizations on a variety of leadership related issues.

dodsonMaureen R. Dodson, Ph.D., Baker Tilly

Maureen brings over 30 years of financial services, healthcare and higher education experience to her role as a senior manager on our management consulting team, developing and delivering customized management and leadership development programs for a variety of clients from different industries.

Joe Doty, U.S. Army (retired)

Joe Doty is a retired Army officer currently working as leadership and ethics consultant. Joe is a graduate of the U.S. Military Academy, West Point NY, and served in both educational and leadership positions during his 28 years in the Army – to include battalion level command. He concluded is service in the military as the Deputy Director in the Center for the Army Profession and Ethic.

Paul D. Eaton, Major General, US Army (retired)

His most recent operational assignment was Commanding General of the command charged with reestablishing Iraqi Security Forces 2003-2004, where he built the command and established the structure and infrastructure for the Iraqi Armed Forces and Interior Ministry security forces. Other operational assignments include Somalia, Bosnia and Albania.

faulknerScot Faulkner

Mr. Faulkner advises global corporations and governments on strategic change and leadership. He is a bestselling author, and his articles on leadership & management reform are published in The New York Times, The New York Daily News, The Washington Times, The Washington Examiner, The Hill, Politico, Roll Call, and History News Network. He has appeared on ABC-Australia, Bloomberg, CBS News, CNN, CSPAN, FOX, NPR, PBS, VOA, and talk radio.

Hayward S. Florer, Jr, Colonel USA (retired)

Stan Florer, President of S F Dynamic Solutions, LLC, supports organizations large and small to help them more effectively develop their leadership and management teams. He brings to his clients his experience from a 28-year career in the Army and ten years of business consulting. His Special Forces leadership positions in Command, education and training development give him the insight needed in today’s education, business and defense related government organizations.

Dr. Barry Frew, President & CEO, Frew & Associates

Upon leaving a tenured faculty position in 2003 at the Naval Postgraduate School in Monterey, CA, Dr. Barry Frew formed Frew & Associates, an independent consulting firm. He remained at the Navy’s graduate school as a civilian faculty; earned tenure and was appointed Dean before founding the Executive Education Center at the school and then retired in 2002 as an Emeritus Professor.


Lieutenant General Don Holder, U.S. Army (retired)

Don Holder is an independent consultant on leadership, Joint Force and Army doctrine, and training.  As one of six Battle Command Training Program (BCTP) Senior Mentors, he coached commanders of Army corps, divisions and brigades in advanced training exercises.  He advises doctrine writers and force designers on future operations and lectures on theater operations at foreign and US service schools.

MarkJacksonJ. Mark Jackson, President, Guidon, LLC

Mark Jackson is President of Guidon, LLC, a Lancaster County, Pennsylvania-based leadership development firm.  Jackson develops and delivers the firm’s unique leadership laboratory exercises.  He has conducted this training for civilian and military organizations of the United States Government.

johnsonBrad Johnson, United States Naval Academy

W. Brad Johnson is Professor of psychology in the Department of Leadership, Ethics and Law at the United States Naval Academy, and a Faculty Associate in the Graduate School of Education at Johns Hopkins University. He currently serves as Senior Professor for the Naval Academy’s Lead Division. A clinical psychologist and former Lieutenant Commander in the Navy’s Medical Service Corps, Dr. Johnson served as a psychologist at Bethesda Naval Hospital and the Medical Clinic at Pearl Harbor where he was the division head for psychology.

George R. Lucas, Jr.

George R. Lucas, Jr.

George Lucas is Class of 1984 Distinguished Chair in Ethics in the Vice Admiral James B. Stockdale Center for Ethical Leadership at the United States Naval Academy (Annapolis), and Professor of Ethics and Public Policy at the Graduate School of Public Policy at the Naval Postgraduate School (Monterey, CA).

Mike Lyons, Ph.D.

Mike Lyons has deep operational leadership and consulting experience in driving companies in towards organizational excellence, specifically in managing and leading successful organizations through complex start-ups, turnarounds, and high-growth periods. He as worked with Fortune 500 companies in areas such as strategic business planning, leadership development, marketing and business development, merger and acquisition negotiations, human capital planning, change management and performance improvement.

Suzanne Marcy

Suzanne K. M. Marcy, PhD, CPC, CEF

Dr. Suzanne Marcy, Founder and President of the Vibrance Institute, is a former university faculty who subsequently devoted 23 years to federal service as a Senior Scientist with the US Environmental Protection Agency. She has over 30 years of challenging and unique leadership experiences that range from leading research teams in the Alaska wilderness to convening and chairing an international ministerial level science initiative. Her Doctorate is in Psychology and Zoology, her Post Doc in Science Policy. She is a Certified Performance Coach and Certified Experiential Facilitator for Personal Transformation.

Chris Maxwell

Christopher I. Maxwell, PhD

Chris Maxwell is a Senior Fellow, Center for Leadership and Change Management, at the Wharton School of the University of Pennsylvania. Chris previously taught “Leadership and Communication in Groups” at the Wharton School and directed a wide variety of domestic and international leadership development programs in remote areas of North America, Mexico, Patagonia, Peru, Quebec, and Iceland.

KMaxwell HeadshotDr. Kathy Maxwell

Dr. Kathy Maxwell has served as a career counselor, academic adviser, and adjunct faculty at Penn State University for over twenty years.  She taught kinesiology, business, and special topics Honors courses at the Penn State Schuylkill and Hazleton campuses. While at Penn State, Kathy earned programming awards from the National Continuing Education Association, was the recipient of multiple Butler Teaching with Technology grants, and won the Outstanding Teaching Award for Part-time Faculty and Staff in 2012.


millerChristopher D. Miller, Lt General, USAF (ret)

Lt Gen (ret) Chris Miller is currently the Distinguished Graduate Scholar and executive editor of the Journal of Character & Leadership Integration at the US Air Force Academy; and President and founder of 21st Century Defense Strategies, Inc.  In his last uniformed position, he was the Air Force’s Deputy Chief of Staff for Strategic Plans & Programs, where he led USAF long-range strategy and was responsible for prioritizing and producing  $600 billion-plus, five-year Air Force budgets.   His demonstrated expertise is organizational and interpersonal leadership of complex processes under stressful circumstances.


mitchellBernadette Mitchell, Managing Director of b.Mitchell Consulting

Ms. Mitchell has over 25 year of experience in Finance.  As a former senior officer of a global fortune 500 firm she launched her own Management Consulting firm in 2013, b.Mitchell Consulting. Drawing on her extensive experience in building new businesses and markets within the United States she helps clients identify growth areas in their own business and delivers value with pace, certainty and strategic agility.

Philipp Mueller

Philipp Mueller is director of the Center for Public Management and Governance of the Business School (SMBS) of University of Salzburg in Germany. Previously he taught at the Graduate School for Public Administration and Public Policy of Tecnológico de Monterrey, Mexico and was a senior research associate at the German Institute for International and Security Affairs in Berlin.


Roy J. Panzarella, Chief Executive – UAE Lockheed Martin Corporate Business Devleopment

Roy Panzarella, Chief Executive, Lockheed Martin – United Arab Emirates, is a retired Army Colonel with decades of leadership experience in the military and in business.
He currently leads the corporation’s business development activities in the UAE, one of Lockheed Martin’s two most important foreign markets in the world. Previously, he was the Vice-President for Lockheed Martin Global Incorporated in the Middle East and Africa. Prior to that he was the regional Vice President in Central Europe, headquartered in Warsaw, Poland.

parkJohn E. Park, Ph.D., Baker Tilly

John, a firm director, maintains a targeted consulting practice where he works with his clients on issues related to strategic planning, change management, enterprise risk management and leadership development. He has multiple publications including co-authorship of the book “Creating in House Sales Development Programs “and regularly speaks at regional and national conferences.

Matthew Pinsker, Professor and Lincoln Scholar, Dickinson College

Matthew Pinsker holds the Brian Pohanka Chair of Civil War History at Dickinson College in Carlisle, Pennsylvania. He also serves as Co-Director of the House Divided Project at Dickinson, an innovative effort to build digital resources on the Civil War era.

Colonel James F. Powers, Jr.

James F. Powers, Jr. currently serves as a consultant for two governmental organizations whose mission nexus is with Homeland Security and Defense – the Pennsylvania State University and the US Special Operations Command. He previously served as Pennsylvania’s Director of Homeland Security from which he retired in 2010.

George Reed

Dr. George Reed is an associate professor in the Department of Leadership Studies in the School of Leadership and Education Sciences at the University of San Diego. Prior to joining the faculty at the University of San Diego he was the Director of Command and Leadership Studies at the U.S. Army War College.

John Rinehart

What happens when you combine a liberal arts education, 20 years in production agriculture and sales, and almost two decades of community based leadership development experience…

John Rinehart has been involved in leadership development for over 15 years.

Robert P. Schoultz

Bob Schoultz is currently CEO of Fifth Factor Leadership, which applies a Navy SEAL and Special Operations perspective to dilemmas faced by leaders in business and other public and private sector enterprises. Bob graduated from Stanford University in 1974, and completed Basic Underwater Demolition/SEAL (BUD/S) training in Coronado California in the summer of 1975. He then served as Naval Special Warfare officer for 30 years, with numerous extended tours overseas in a wide variety of commands.

Stephen A. Shambach

Stephen A. Shambach, is the Senior Character Development Program Analyst at the US Air Force Academy. His primary responsibility is to integrate leader and character development at the US Air Force Academy as well as with external Air Force organizations, other commissioning sources and the other Federal Service Academies.

Don Snider, Professor of Political Science, West Point

Don M. Snider is Emeritus Professor of Political Science at West Point, from which he retired in 2008. He serves now as Senior Fellow in the Center for Army Profession and Ethic (CAPE) and Adjunct Research Professor of the Army War College. He holds a Doctorate in Public Policy from the University of Maryland and Master’s degrees in economics and public policy from the University of Wisconsin.

Ted Spain, Colonel, U.S. Army (retired)

Ted Spain has over 35 years of leadership and security experience in the civilian government, military, and corporate environment. His expertise is in operational leadership, conducting efficient/effective operations, management, critical thinking, effective decision-making, tactics, training, time management, personnel management, conflict resolution, working with unions, including union negotiations, contract management, contract proposals, and contract transitions.

Gary Steele

Colonel Gary Steele (retired), Senior Consultant for Learning Dynamics

Gary Steele has over thirty years of extensive national and international human resources experience as a leader, problem solver, and project manager. He has successful leadership, management and consulting experience with a broad, unique background from the military, education, and pharmaceutical industry sectors.

Clemson Turregano

Clemson Turregano is a Senior Faculty member in CCL’s government sector where he designs and delivers leadership programs for managers at all levels. Clemson’s leadership research spans practical and academic applications from the strategic level to tactical implementation, from boardrooms to government arenas.

Colonel Tom Vossler (retired)

Colonel Tom Vossler, U.S. Army (retired) served thirty years in the U.S. Army Infantry from 1968 to 1998. He is a combat veteran of the Vietnam War and he commanded infantry units from Platoon thru Battalion level. Tom taught military history, strategy and leadership at the U.S. Army War College and he is a former director of the U.S. Army Military History Institute at Carlisle Barracks, PA.