Ariel Cohen, L.L.B., Ph.D., is a recognized authority on international security and energy policy, and the rule of law.  Dr. Cohen, a leading expert in Russia/Eurasia, Eastern Europe, and the Middle East, serves as a Senior Research Fellow in Russian and Eurasian Studies and International Energy Policy at the Heritage Foundation.     Dr. Cohen frequently testifies before committees of the U.S. Congress, and he conducts regular briefings at the request of U.S. Government agencies and institutions. He  has published six books and monographs; 30 book chapters; and over 500 articles in professional and popular media.   Dr. Cohen consults for Fortune 500 companies and international law firms. He served as a Senior Consultant for Burson Marsteller’s Emerging Markets practice, a global public affairs firm, and for Emerging Markets Communications, a boutique strategic communications consultancy. He has prepared expert testimonies and/or testified in high profile cases tried by leading Washington law firms; and wrote expert opinions for investors who are involved in a multi-billion dollar suits against illegal expropriations in the countries of Eastern Europe and Eurasia. He also was a Policy Adviser with the National Institute for Public Policy’s Center for Deterrence Analysis. In addition, Dr. Cohen has consulted for U.S. AID, The World Bank, the Pentagon, the U.S. Senate, and Radio Liberty-Radio Free Europe.