Leadership 100 Chairman Constantine Caras joined Archbishop Demetrios and other Hierarchs for the cutting of the ribbon at the official opening of the Congress Exhibit Hall at the 40th Biennial Clergy-Laity Congress of the Greek Orthodox Archdiocese of America on July 4, 2010 in Atlanta. Leadership 100 provided the underwriting for the exhibit area, which featured numerous booths with vendors from the United States, Canada, Greece, and Cyprus and included a ministry pavilion which highlighted the National Ministries of the Greek Orthodox Archdiocese.

The first Episcopal Assembly of Canonical Orthodox Hierarchs in North and Central America met from May 26 to May 28 at the Helmsley Park Lane Hotel in New York City. Convened by His Eminence Archbishop Demetrios of America, the Assembly was attended by more than 50 Hierarchs and was made possible through a Leadership 100 grant to the Office of Inter-Orthodox, Ecumenical and Interfaith Relations, which underwrote much of the expense. Other funding came from a variety of Pan-Orthodox sources.

Peter G. Peterson, the renowned Greek American business leader and philanthropist, addressed a capacity crowd of more than 200 members of Leadership 100 from across the country and their guests at the inaugural Leadership 100 Forum on Business and Philanthropy at the Onassis Cultural Center in the Olympic Tower in New York City on Thursday night, September 9, 2010.

Hellenic College and Holy Cross Greek Orthodox School of Theology held their 68th commencement on Saturday, May 15, 2010 and conferred the honorary degree of Doctor of Humanities on two prominent members of Leadership 100, Andrew A. Athens, a Founder and its first Chairman, and Chris P. Tomaras, a prominent businessman and philanthropist, Founder of the PanHellenic Scholarship Foundation, both of Chicago.

Stefanie G. Roumeliotes, a Leadership 100 Partner, was appointed to the Golden Gate Park Concourse Authority by Mayor Gavin Newsom on May 14, 2010, to fill a seat that expires on March 25, 2014.