• All Hands On Deck: Building the Ecosystem of Transparency, Accountability, and Justice. Keynote Address Marking the 30th Anniversary of NACOLE: The National Association for Civilian Oversight of Law Enforcement. October 16, 2024.

• Taking Stock: Reflections on 50 Years of Crime and Punishment in America. Keynote Address Marking the 50th Anniversary of the National Criminal Justice Association. Washington, DC. August 12, 2024.

• Tribute to Laurie Robinson. Hosted by the Council on Criminal Justice. New York City. April 3, 2024.

• Citizens Crime Commission Awards Ceremony. The Innovative Contributions to Justice Award. New York City. November 28, 2023.

• Celebrating 10 Years of National Network for Safe Communities. National Network for Safe Communities. New York City. June 26, 2019.

• Trends in Crime and Justice: Reflections on the New York City Story, 1980-2017. CITYLAW Breakfast Series. New York Law School. March 8, 2019.

• Looking Back and Thinking Ahead on Pretrial Justice. Pretrial Innovators Convention (PI-Con). Denver, CO. Jan, 2019.

Building the Evidence for Evidence-Based Policing. Conference of the American Society for Evidence-Based Policing. May 23, 2018.

Reversing the Realities of Mass Incarceration: The Role of American Business. Keynote address at the 2016 Social Entrepreneurship Leadership Forum: Solutions to Post-Incarceration and Entrepreneurship: The Role of Businesses and Universities. Columbia School of Business. New York, NY.

• Reducing Mass Incarceration: Exploring the Values of Values. Opening Address at the 2015 National Forum on Criminal Justice in Atlanta, GA

• Community Justice: Viewing Mass Incarceration from the Ground Up. Keynote address at the 5th National Conference on Community and Restorative Justice in Fort Lauderdale, FL

• Community Justice: Viewing Mass Incarceration from the Ground Up. Keynote address at the 5th National Conference on Community and Restorative Justice

• The Growth of Incarceration in the United States. Presentation at the City University of New York (CUNY) School of Law in New York, NY

• Testimony before the Task Force on 21st Century Policing created by President Barack H. Obama. Panel on The Future of Community Policing, in Washington DC

• Reflections on the NAS Report: What Are the Prospects For Reducing the US Prison Population? Lecture delivered at the Hoffinger Colloquium of the Center for Research on Crime and Justice, New York University School of Law, in New York, NY

• An End to the Era of Mass Incarceration? Reflections on the NAS Report. Lecture at he University of Baltimore September 8, 2015.

• What About the Children? Assessing the Ripple Effects of Mass Incarceration. Lecture at the Center for the Study of Race and Race Relations Levin College of Law University of Florida.

• Prisons First: Putting Prisons at the Center of the Criminal Justice Policy Debates. Keynote Address delivered at the Annual Meeting of the John Howard Association, in Chicago, IL

• Acceptance Remarks: Distinguished Achievement Awards. Center for Evidence-Based Crime Policy, Fairfax, VA.

• Assessing the Burden of Crime and the Criminal Sanction: A Public Health Perspective on Critical Issues in Criminal Justice. Lecture delivered at The Dean's Seminar Series on the Prevention of Incarceration at the Mailman School of Public Health, Columbia University, in New York, NY

• Assessing the Crime Decline: Did BIDs Play a Role? Master talk delivered at The International Downtown Association 2013 World Congress in New York, NY

• Testimony before the National Association of Criminal Defense Lawyers Task Force on Restoration of Rights and Status After Conviction, Turning the Tide: Victories and Opportunities in Criminal Justice Reform, in New York, NY

• Restoring College Education to the Nation’s Prisons: Assessing the Prospects for Change. Keynote Address delivered at the conference on Education for All: Improving Educational Access in Correctional Facilities and Beyond at the United States Institute for Peace in Washington, DC

• Toward a New Professionalism in Policing. Lecture delivered at the Central Police University Taipei, Taiwan.

• Returning Home: Understanding the Challenges of Prisoner Reentry and Reintegration. Lecture delivered at the Central Police University Taipei, Taiwan.

• Acceptance speech on occasion of the receipt of The Maud Booth Correctional Services Award from the Volunteers of America in Denver, CO

• Understanding the Public Health Challenges in the Era of Mass Incarceration. Keynote Address at the Fifth Annual Academic and Health Policy Conference on Correctional Health in Atlanta, GA

• Summoning the Superheroes: Harnessing Science and Passion to Create a More Effective and Humane Response to Crime. Keynote address delivered at the 25th Anniversary of the Sentencing Project at the National Press Club in Washington, DC

• Youth, Race and the Justice System. Keynote address delivered at the New York City Family Court and New York State Child Welfare Court Improvement Project conference in New York, NY Law School

• Reflections on Juvenile Justice Reform in New York. Keynote address delivered at the Diane Abbey Law Center for Children and Families conference in New York, NY Law School

• Rethinking Prison Education in the Era of Mass Incarceration. Keynote address delivered at the University Faculty Senate Conference on Higher Education in the Prisons in New York, The Graduate Center

• “What Works” for Successful Prisoner Reentry. Testimony before the United States House of Representatives Committee on Appropriations Subcommittee on Commerce, Justice, Science, and Related Agencies. Washington, D.C

• Building Communities with Justice: Overcoming the Tyranny of the Funnel. Keynote address delivered at the Public Service Conference on the Future of Community Justice in Wisconsin, Marquette Law School, Milwaukee, Wisconsin

• Race, Crime and Justice: A Fresh Look At Old Questions. The New York City Bar Association 2008 Orison S. Marden Lecture, New York, New York

• New Strategies for Combating Violent Crime: Drawing Lessons from Recent Experience. Testimony before the U.S. Senate Judiciary Committee, Washington DC

• School Safety and Emergency Response Planning. Testimony before the New York State Senate Committee on Higher Education, Albany, New York

• The Penetration of the Criminal Justice System, Into Communities of Color: A Leadership Challenge for the Legal Profession, New York State Judicial Institute on Professionalism in the Law, Convocation on the Face of the Profession III:Leadership of the Bar, Albany, New York

• Rethinking the Fatherhood Agenda in the Context of the Era of Mass Incarceration. The Industrial Home for Children, Seventh Annual Fatherhood Conference “Fatherhood 2007: Fathers as the Missing Link”, East Windsor, New Jersey

• Responding to the Realities of The Era of Mass Incarceration In America. Public/Private Ventures Conference, Houston, Texas

• Symposium on Back-End Sentencing and Parole Reform. Keynote Address at Stanford Law School on November 4, 2006 in Stanford, California.

• Prisoner Reentry: National and Local Perspectives on a New Dialogue. Maryland Reentry Symposium, Annapolis, Maryland

• Prisoner Releases in the District of Columbia. United States House of Representatives Committee on Government Operations, Subcommittee on the District of Columbia, Washington, D.C.

• Thanks and Dreams, Farewell Speech. National Institute of Justice, Washington, D.C.

• Public Safety and the Criminal Sanction: Overcoming the Tyranny of the Funnel. American Society of Criminology, San Francisco

• International Strategies for Crime Prevention in Transitional Societies: Problems and Prospects. South African Institute of International Affairs, Johannesburg

• Building Knowledge About Crime and Justice in the Global Age: Infrastructure First. 5th Biennial Conference of International Perspectives on Crime, Justice and Public Order, Bologna, Italy

• Public Health, Public Safety and Prisoner Reentry: Challenges of the Future. Second Annual Conference on Criminal Justice and Substance Abuse in New York State

• Alcohol and Crime: New Strategies for Crime Prevention. XII Alcohol Policy Conference, National Crime Prevention Council

• New Challenges in Evaluating our Sentencing Policy: Exploring the Public Safety Nexus. National Workshop on Sentencing and Corrections, Hilton Head, South Carolina

• Criminal Justice and Public Health: Opportunities Across Systems. The Health Foundation of Greater Cincinnati

• Thinking Strategically About Developments in Law Enforcement Technology. Citizens Crime Commission, New York, New York

• Addressing Drug Abuse in the Justice Context: The Promise and the Challenge. National Assembly on Drugs, Alcohol Abuse and the Criminal Offender Conference, Washington, D.C.

• Stalking: Lessons from Recent Research. National Center for Women and Policing Conference, Orlando, Florida

• Research and Practice: Can We Talk? America Society of Criminology Annual Conference, Washington, D.C.

• Research Informing Policy: What If We Took This Idea Seriously? National Corrections Conference: Enhancing Public Safety by Reducing Substance Abuse, Los Angeles, California

• Creating Safe Schools: Opening the Schoolhouse Doors to Research and Partnership. Conference of the Security Management Institute of John Jay College, New York, New York

• Policing in Transition. Fourth Biennial Conference: International Perspectives on Crime, Justice and Public Order, Budapest Hungary

• Justice Research as a Platform for the Diffusion of Innovation. National Association of State Alcohol and Drug Abuse Directors Conference, Salt Lake City, Utah

• Declining Crime and Our National Research Agenda: A New Yorker’s View. Inaugural Lecture: The Jack and Lewis Rudin Distinguished Visiting Scholar Program, John Jay College of Criminal Justice, New York, New York

• Declining Crime and Our National Research Agenda. School of Public Policy and Social Research, University of California, Los Angeles, California

• Turning Ideas into Action. Partnership in Crime Prevention Conference, Australian Institute of Criminology, Hobart, Australia

• Thinking About Prevention: Are We Asking the Right Questions? Hans W. Mattick Lecture, University of Illinois at Chicago, Chicago, Illinois

• Crime Prevention in Community and Cultural Context. First Multi-Institutional Conference on Interdisciplinary Rehabilitation Services and Disabilities in Latino, African American and Native American Individuals, San Juan, Puerto Rico

• National and Comparative Perspectives on Juvenile Justice. Meeting of the International Scientific and Professional Advisory Council of the United Nations Crime Prevention and Criminal Justice Programme, Courmayeur, Italy

• The Mentally Ill Offender: Viewing Crime and Justice Through a Different Lens. National Association of State Forensic Mental Health Directors, Annapolis, Maryland

• Framing the National Agenda: A Research and Policy Perspective. National Corrections Conference on Substance Abuse Testing, Sanctions and Treatment, New Orleans, Louisiana

• Crime Statistics: Good News or Bad News? New York University Alumni Association, Washington, D.C.

• Technology in Criminal Justice: Creating the Tools for Transformation. Academy of Criminal Justice Sciences, Louisville, Kentucky

• New Approaches to Juvenile Justice. Citizens Crime Commission of New York City, New York, New York

• Lessons for the Criminal Justice System from Twenty Years of Policing Reform. Keynote Address, First Annual Conference of the New York Campaign for Effective Crime Policy, New York, New York

• Criminal Justice Research and Public Policy in the United States. Ninth United Nations Congress on the Prevention of Crime and the Treatment of Offenders, Cairo, Egypt

• Education in Law Enforcement: Beyond the College Degree. Forum on the Police and Higher Education, Center for Research in Law and Justice, University of Illinois, Chicago, Illinois

• Exploring the Federal Research Role in Crime Control Policy. Fortunoff Criminal Justice Colloquium, New York University School of Law, New York