Alxa SEE Ecological Association, Beijing , China

Association of Canadian Philanthropies, Annual Conference, Toronto , OH

Association of Credit Union Executives, Annual Conference, San Francisco , CA   

Association of Diabetes Educators, Annual Conference, Los Angeles , CA

Association of Fundraising Professionals of Charlotte , Annual Conference, Charlotte , NC

Association of Fundraising Professionals of Louisville , Annual Conference, Louisville , KY

Brookhaven Community College , Annual Convocation, Dallas , TX

CAOTS (Center for Operational Support for the Third Sector), Annual Conference, Belo Horizonte , Brazil

Cincinnati Country Day School , Symposium for the Future, Cincinnati , OH

Civic Ventures, Annual Conference, Berkeley , CA

Civic Ventures, Annual Conference, Cleveland , OH

Colorado Leadership Alliance, Annual Conference, Colorado Springs, CO   

Council of Foundations, Family Foundation Annual Conference, Miami , FL

Ernst & Young, World Summit , Singapore   

Forum for Corporate Conscience, Charlotte , NC

GIFE (Group of Institutes, Foundations and Enterprises), Annual Conference, Curitiba , Brazil

Gottlieb Duttweiler Institut, International Retail Conference, Zurich , Switzerland

Indiana Charter School Association, Annual Conference, Indianapolis , IN   

Indiana Grantmakers Alliance , Annual Conference, Indianapolis , IN

Jewish Family Services of Canada , Conference on Jewish Poverty, Ottawa , ON

Jewish Funders Network, Annual Conference, Baltimore , MD

McGill University Health Challenge Conference, Montreal , QC

Midwest Renewable Energy Fair, Custer , WI

National Association of State Universities and Land-Grant Colleges , Annual Conference, Columbus , OH

New Hampshire Charitable Foundation, Annual Conference, Manchester , NH

New School for Social Research, Conference on Sustainability and Design, New York , NY

Oxford University , Said Business School , Skoll World Forum on Social Entrepreneurship, Oxford , England

Phi Theta Kappa International Honor Society, Annual Conference, Atlanta , GA

Prince of Wales Internation Business Leaders Forum, Vancouver , BC

Robert Wood Johnson Foundation Diabetes Initiative, Capstone Meeting, Tucson , AZ   

Social Responsibility in the Rockies, Annual Conference, Keystone, CO

Society for Behavioral Medicine, Annual Conference, Boston , MA

StartingBloc, Institute for Social Innovation, New York , NY

UBS Warburg, Visionaries Conference on Philanthropy, Buenos Aires , Argentina

UBS Warburg, Visionaries Conference on Philanthropy, Sao Paulo , Brazil

UBS Warburg, Visionaries Conference on Philanthropy, Singapore

UBS Warburg, Visionaries Conference on Philanthropy, Zurich , Switzerland

United Way of Salt Lake City , Centennial Celebration, Salt Lake City , UT

University of Toronto , Hart House Lecture Series, Toronto , ON

University of Wisconsin-Extension, Annual Conference, Madison , WI

Wayne Country Community College , Annual Conference, Detroit , MI

Andover Academy , Andover , MA   

Bard School for International Studies, New York   

Berea College , Berea , KY   

Boston University , School of Management

Canadian Federation of Jewish Students, Leadership Conference, Montreal , QC   

Catawba College , Lilly Center for Vocation and Values, Salisbury , NC

Columbia School of Business , New York   

Duke University , Fuqua School of Business , Durham , NC   

George Washington University , School of Business , Washington , DC

Georgetown University , Washington , DC   

Harvard University , Kennedy School of Government, Boston , NA   

Johns Hopkins School of Advanced International Studies, Washington , DC

La Guardia Community College, New York , NY

McGill University , Faculty of Management, Montreal , QC   

MIT, Sloan School of Business , Boston , MA   

Naropa Institute, Boulder , CO   

New York University , Stern School of Business, New York , NY

New York University , Wagner School of Government, 2006 Convocation Commencement Address

Northwestern University, Kellogg School of Management , Chicago , IL

Oglethorpe University, Atlanta, GA

PUC (Pontifícia Universidade Católica), Rio de Janeiro, Brazil

Stanford University , Graduate School of Business , Palo Alto , CA

Tulane University , Freeman School of Business, Burkenstock Lecture, New Orleans , LA   

University of Vermont , Snelling Center for Government, Montpelier , VT   

University Fundacion Getúlio Vargas, Sao Paulo, Brazil

University of Alabama , Honors School , Tuscaloosa , AL   

University of California at Berkeley , HAAS School of Business , Berkeley , CA   

University of Chicago , Graduate School of Business , Chicago , IL   

University of Denver , Graduate School of Business, Denver, CO   

University of Denver , Graduate School of International Studies, Denver, CO   

University of Kentucky , Lexington , KY   

University of Michigan , Ross School of Business , Ann Arbor , MI   

University of Pennsylvania , Wharton School of Management , Philadelphia   , PA

University of Texas at Austin , Honors Program, Glickman Annual Lecture, Austin , TX   

University of Texas at Dallas , The School of Management , Dallas , TX

University of Toronto , Munk Center for International Studies, Toronto , ON   

University of Washington , Business School , Seattle , WA

Villanova University , Philadelphia , PA

Yale University , School of Management , New Haven , CT

92nd Street ‘Y’, Lecture Series, New York , NY

Biblioteca Virgilio Barco, Bogota, Colombia

Black Oak Books, Berkeley , CA

Calvary Presbyterian Church, San Francisco , CA

Canadian Jewish News Public Forum, Toronto , ON

Canopus Foundation/Albert-Ludwigs University Program for Environmental Governance, Freiburg, Germany

City Club Leadership Series, Boulder, CO

Commonwealth Publishing & Magazine, Ideas for Change, Taipei , Taiwan

Grantmakers of Western Pennsylvania , Pittsburgh , PA

Editorio Debate, Ideas for Change, Barcelona , Spain

Editorio Debate, Ideas for Change , Madrid , Spain

Hugendubel Bookstore , Berlin , Germany

Impact El Paso, El Paso, TX   

Instituto Ethos, Sao Paulo, Brazil

International Film Festival, ‘La Route Vers Le Monde’, La Roche Sur Yon, France   

Los Angeles Public Library, Lecture Series, Los Angeles, CA   

Lousiville 'Change the World' Town Hall Event, Louisville , KY   

Madison Area Technical College , Lecture Series, Wisconsin , MI

McKinsey & Co., Discussion on Social Entrepreneurship, Paris , France

National Press Club, Bangkok , Thailand

Nicholas Hoare Bookstore, Montreal , CA

Politics & Prose Bookstore, Washington , DC   

Pop!Tech Conference, Camden , ME

Powell’s Books, Portland , OR

Strand Bookstore, Author Series, New York , NY

Tattered Cover Bookstore, Denver, CO   

Temple Emanu-el , Montreal , QC   

Acumen Fund, Investors Gathering, New York , NY

Ashoka Fellow Induction Ceremony, Washington , DC

Blue Ridge Foundation, New York , NY   

Boston Foundation, Boston , MA

California Endowment, Board of Directors Meeting, Los Angeles , CA   

Carter Center , Atlanta , GA   

Conference of Southwest Foundations, Dallas , TX   

Council on Foreign Relations, New York , NY   

Deutche Bank Microenterprise Club, New York , NY   

Global Partnerships, Seattle , WA

Green Mountain Global Forum, Warren , VT   

Harvard Philanthropy Club, New York , NY   

Indus Entrepreneurs, Boston , MA

Jewish Immigrant Aid Society, Toronto , ON

Körber Foundation, Social Entrepreneurship in Germany , Hamburg , Germany

M.B. & Edna Zale Foundation, Board of Directors Meeting, New York , NY   

Microsoft Headquarters, Speaker Series, Redmond , WA   

National Foundation for Teaching Entrepreneurship, New York , NY   

Near East Foundation, New York , NY   

Net Impact, Denver, CO

Opportunity International, Governor's Meeting, Chicago , IL

Pittsburgh Social Venture Partners, Pittsburgh , PA   

Portland Lectures Series, Portland , OR

Project Enterprise , New York , NY   

Public Health Institute, New York , NY   

Schwab Foundation for Social Entrepreneurs, Summit for Social Entrepreneurs, Campinas , Brazil

Social Venture Partners, Atlanta   

Social Venture Partners, Denver   

Social Venture Partners, Seattle   

Van City & Planned Lifetime Advocacy Network, Vancouver , BC

Women’s Technology Cluster, Lecture Series, San Francisco , CA

World Affairs Council of Portland , Portland , OR

World Affairs Council of San Francisco , San Francisco , CA

World Affairs Council of Seattle, Seattle , WA