Observatory Group Management

New York office

Jane Hartley
Chief Executive Officer

Jane Hartley is Chief Executive Officer of the Observatory Group. Previously, Ms. Hartley was Chief Executive Officer of the G7 Group. She began her career in government as Associate Director in the White House during the Carter administration, as well as Director of Congressional Relations at the U.S. Department of Housing and Urban Development. Ms. Hartley also held a variety of senior management positions in the telecommunications industry, including Vice President of Group W Cable, Westinghouse Broadcasting (CBS), MCA (Universal), and as Vice President and Station Manager of WWOR-TV. Currently Ms. Hartley is a member of the Board of Trustees of Heidrick & Struggles, Sesame Workshop (Sesame Street), a Member of the Boards of Overseers and Managers of Memorial Sloan Kettering Cancer Center, and a Trustee and Executive Committee member of the Economic Club of New York.

Jane is a member of the Council on Foreign Relations and serves on the Board of Greater New York. She is on the Executive Committee and a Member of the Dean's Council of Harvard's Kennedy School. She is also a Trustee of the New School, and a Board Member of Parsons School of Design. Jane was nominated in 2011 by President Obama to serve on the Board of Directors of the Corporation for National and Community Service.

Alan Blinder
Vice Chairman

Dr. Alan Blinder is Vice Chairman of Observatory Group, having served in the same position at the G7 Group. Dr. Blinder is also the Gordon S. Rentschler Memorial Professor of Economics and Public Affairs at Princeton University. He served as Vice Chairman of the Board of Governors of the Federal Reserve System from June 1994 until January 1996. Before becoming a member of the Board of Governors, Dr. Blinder served as a Member of President Clinton’s original Council of Economic Advisers from January 1993 until June 1994. There he was in charge of the Administration’s macroeconomic forecasting and also worked intensively on budget, international trade, and health care issues.

Anita Volz-Wien

Anita Volz Wien is Chairman of Observatory Group. Previously she was a partner and Vice Chairman of the G7 group. Earlier, Ms. Wien was Senior Vice President of Oxford Analytica, a political and economic consulting firm, which she joined after a 20 year career in brokerage, investment management and commercial banking. She held positions with European American Bank, Chase, Lehman Brothers and was a partner of Brokaw, Schaenen, Clancy and Co., which merged into Weiss Peck and Greer.

A member of the Women's Forum, the Economic Club of New York and the Council on Foreign Relations, Ms. Wien serves on the Board of Advisers of "Foreign Affairs". She is a member of the Board of Trustees of Prep for Prep and the Ben Franklin House Foundation (London) and serves on the Advisory Board of Carmel Asset Management and The Lighthouse Inc. She is a Trustee Emerita of Smith College and a former board member of the Financial Women's Association, the Women's Campaign Fund and the Carter Burden Center for the Aging. A graduate of Smith College, she holds an MBA from the Stern School of Business at New York University.

John Chamberlin
Managing Director, New York office

A co-founder of the Observatory Group in 2007, John oversees the firm's coverage of the world's premier macro oriented investors, which include global macro hedge funds, sovereign wealth funds, mutual funds and family offices. In addition to managing the business operations of Observatory Group, John helps to run the firm's series of meetings with policy makers and subject matter experts. Prior to co-founding Observatory Group, John was managing director for the G7 Group, a macro economic consulting company, from 2001-2007. In the 90s, John worked in sales for a tech startup in Connecticut, as a location scout, location manager and production manager on several independent films in New York, as an English teacher in France, a decorative painter in Virginia and California, tour guide in France, New Zealand and Australia, and deck hand in Washington and Alaska. John holds an M.B.A. in finance from NYU and a B.A. from the University of Virginia.

Rosemary Werrett
Director, Business Development

Rosemary joined Observatory Group from G7 Group, where she also focused on business development. Previously, Rosemary was Director for Latin America at Medley Global Advisors and Senior Director of Corporate Relations at the Council of the Americas. From 1984-2000, she was Founder and President of Latin American Information Services, Inc, providing multinational corporations with analysis on business and financial developments in the region. She is honorary past president and current board member of the micro finance organization Pro Mujer. She is on the management committee of the New York Chapter of the Mexican American Chamber of Commerce, was a member of the Nomos Conference at Harvard University and of the Leadership Committee of The American Assembly. Rosemary’s articles on micro finance and on Latin American business and politics have appeared in Worth Magazine, Latin Finance, Fortune, Institutional Investor, Nation’s Business and many other publications.  

Washington, DC office

Mary S. Rosenbaum
Managing Director

Ms. Rosenbaum leads the analysis of US monetary and fiscal policies and runs the Washington office of Observatory Group. Before co-founding Observatory Group, she ran the Washington office of the G7 Group. Prior to joining G7 in 2004, she was an economic advisor with McKinsey & Company, where she served as a macroeconomic advisor to consulting teams in Europe, Latin America, and the US. Before McKinsey, Mary was Vice President and Senior Economist at the Federal Reserve Bank of Atlanta, where she served as monetary policy advisor to the Bank's president while also directing the Macropolicy Group responsible for domestic and international economic analysis and econometric forecasting. Currently Mary also serves on the Executive Board of the Western Economic Association International. She holds a B.A. in Economics from The George Washington University and an M.A. and M.Phil in Economics from Columbia University.

Tsuyoshi Jin Saito
Managing Director

Mr. Saito tracks monetary, fiscal, foreign exchange and regulatory policy in Japan. Before co-founding Observatory Group, Jin was Vice President at the G7 Group. Previously, Jin held positions with Dai-ichi Kangyo Bank in Tokyo, where he secured financing and cultivated investment opportunities for DKB clients. He holds a master’s degree in International Economics and Asian Studies from Johns Hopkins School of Advanced International Studies. 


555 Madison Avenue,
Suite 1303
New York, NY 10022
1920 L Street NW
Washington, DC 20036
c/ Andrés Larrazábal
5, 4º B
Las Arenas - Getxo
48930 Bilbao (Vizcaya)
1-33-12 Kameido
Sun Vivace 202
Koto-ku, Tokyo 136-0071
S-160 Panchshila Park
Second Floor
New Delhi 110017
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