Aaron Naparstek

Founder of Streetsblog, a Website Providing Daily Coverage of Transportation, Land Use & Environmental Issues in New York City

Aaron Sklar

Innovation in Wellness Creative Lead , IDEO

Aaron Tartakovsky

Co-Founder & CEO at Epic Cleantec

Aart Veller

Fouding partner Cool Endeavour,Cool Endeavour

Abby Joseph Cohen

Advisory Director & Senior Investment Strategist at Goldman Sachs

Abdul-Rehman Malik

Contributing Editor, Q-News

Abdulla Ali Al-Kuwari

Investment Analyst,Qatar Holding

Abdulmalik Mahmoud

Engineer 2,INEC

Abiola Valentine

Abiola Valentine is a poet/spoken word artist who uses writing as a means of expressing the realm of human emotions such as love, joy, pain, fear, anger, rejection, and abandonment, in order to foster individual healing and world unity.

Abraham Taleb

Co-Founder and Director of Search,ReWork

Abrahm Lustgarten

Investigative Reporter, Speaker on Climate Change & Author of "On The Move", about America's Great Climate Migration

On the Move: The Overheating Earth and the Uprooting of America

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

Achim Steiner

Director of the Oxford Martin School; Former Executive Director of the United Nations Environment Programme

Achmat Hassiem

Shark Attack Survivor, Paralympic Swimmer & Global Shark Guardian

Achumile Majija

Group Lead: Risk and Capital MI,Prudential Plc

Ada Chirapaisarnkul

Founder and Managing Director,Thai Young Philanthropist Network

Adalberto Verissimo

Co-Founder and Senior Researcher, Imazon

Adam Gardner

Director and Co-founder REVERB

Adam Hammes

Best-Selling Author, Environmental Educator and Consultant

Adam James

Co-Founder of Clean Energy Leadership Institute; Authority on Renewable Energy & Public Policy

Adam Lowry

Co-Founder & Chief Greenskeeper of Method Products

Adam Maikkula

Co-founding CEO,Educe Social

Adam Ostrow

Chief Digital Officer, TEGNA

Adam Werbach

Global CEO Saatchi & Saatchi S

Adele Morris

Fellow and policy director for Climate and Energy Economics at the Brookings Institution

Aditi Gupta

Founder , Menstrupedia

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Aditi Shankardass

Aditi Shankardass is pioneering the use of EEG technology to give children with developmental disorders their most accurate diagnosis.

Aditya Ram

Pro-Vice Chancellor and Director (Estates and Infrastructure) , Botho University

Adolfo Franco Hernandez

Director,CAUSAS.ORG (CAUSAS MEXICO)