Question:  Hamilton Evans "Tony" James is the COO and director of the largest alternative investment firm in what?

Passages:
Atlantic Investment Management is a global alternative investment firm founded in 1988 by Alexander J. Roepers (“Alex”).  Atlantic has 29 employees worldwide with offices in New York City and Tokyo.  As of June 2014, the firm had $2.3 billion in assets under management. Archview Investment Group LP is an institutional alternative investment firm based out of Stamford, Connecticut.  The firm was founded in 2009 by Founding Principals Jeffrey Jacob and John Humphrey. Zachary Karabell is Head of Global Strategies at Envestnet, a publicly traded financial services firm where he works with the board and senior management on corporate strategy and with the investment committee on overall investment approaches for the firm.  He is also President of River Twice Research.  Previously, he was Executive Vice President, Chief Economist, and Head of Marketing at Fred Alger Management, a New York-based investment firm.  He was also President of Fred Alger & Company, a broker-dealer; Portfolio Manager of the China-U.S. Growth Fund (CHUSX); and Executive Vice President of Alger’s Spectra Funds, a no-load family of mutual funds that managed the Spectra Green Fund.  He founded and ran the River Twice Fund from 2011-2013, a $25 million alternative investment fund which used sustainable business as its primary investment theme. <P1-S0> James Man (1755–1823) was the founder of Man Group, the United Kingdom's largest alternative investment management business. Hamilton Evans "Tony" James (born February 3, 1951) is president, chief operating officer (COO) and a director of Blackstone, a New York-based global asset management firm.  He is also a known philanthropist.  James has also served as chairman of Costco since August 2017. Bain Capital is a global alternative investment firm based in Boston, Massachusetts.  It specializes in private equity, venture capital and credit products.  Bain Capital invests across a range of industry sectors and geographic regions.  As of June 2014, the firm managed more than $75 billion of investor capital across its various investment platforms. <P2-S0> Kenneth C. Griffin (born October 15, 1968) is an American investor, hedge fund manager, and philanthropist. <P2-S1>  He is the founder and chief executive of the global investment firm Citadel, founded in 1990. <P2-S2>  s of March 2015 , Citadel is one of the world's largest alternative investment management firms with an estimated $25 billion in investment capital. <P2-S3>  Citadel's group of hedge funds rank among the largest and most successful hedge funds in the world. " <P2-S4> Forbes" identified Griffin as one of 2012's highest earning hedge fund managers as well as one of the Forbes 400. Cowen Inc. is a diversified financial services firm that provides alternative investment management, investment banking, research, and sales and trading services through its two business segments: Cowen Investment Management (formerly Ramius LLC), a global alternative investment management business, and Cowen and Company, LLC, a broker-dealer business.  Founded in 1918 by Harry Cowen and Arthur Cowen, Jr., the Firm is headquartered in New York City and has offices located worldwide. The Blackstone Group L.P. is an American multinational private equity, alternative asset management and financial services firm based in New York City.  As the largest alternative investment firm in the world, Blackstone specializes in private equity, credit and hedge fund investment strategies. Crescent Capital Group is an alternative investment firm focused on below investment grade markets with primary strategies that include funds that invest in senior bank loans, high-yield debt, mezzanine debt, special situations, and distressed securities.  The firm has approximately $25 billion of assets under management and has made investments in over 190 companies since its inception as well as expanded into the European market with operations based in London.

Supporting sentences:
The Blackstone Group L.P. is an American multinational private equity, alternative asset management and financial services firm based in New York City.  As the largest alternative investment firm in the world, Blackstone specializes in private equity, credit and hedge fund investment strategies.