Stone Tower Debt Advisors LLC (New York)


Stone Tower Debt Advisors LLC is a large advisory firm based in New York. It manages $10.74 billion of regulatory assets for 27 client accounts. It has been registered with the SEC as an adviser since 2005 and has operated in the jurisdiction of New York.




Stone Tower Debt Advisors provides portfolio management for pooled investment vehicles. It doesn't provide financial planning services to its clients. On top of advisory services, the firm doesn't engage in other business activities.

Stone Tower Debt Advisors: assets under management

The assets under management (AUM) of Stone Tower Debt Advisors LLC is $10.74 billion. The firm's AUM has grown by 268% since the beginning of its operation, and the company doesn't manage any assets belonging to foreign clients.


The firm manages $9.65 billion in discretionary accounts and $1.1 billion in non-discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $385.83 million each. Non-discretionary accounts, where clients actively manage their portfolios, generally hold around $548.71 million.

Fees & Commissions

The advisory firm has several streams of revenue. Clients pay Stone Tower Debt Advisors LLC for their services and products based on a percentage of assets under management, fixed fees, and performance-based fees. Compensation based on assets under management promotes a long-term relationship between a client and the adviser and helps align mutual interests. These fees don’t include brokerage commissions, interest, taxes, and other account expenses.

Careers at Stone Tower Debt Advisors LLC

James Charles Zelter has been acting as President since 1 Apr 2012. St Management Holdings Llc joined the executive team most recently as the Partner.

Direct owners and executive officers



Name Entity Date acquired Ownership Employer ID
William John Sheoris Principal and chief financial officer 1 Mar 2003 Other 5066938
William Anthony Edson Principal and chief operating officer 1 Mar 2003 Other 2506535
Michael Jeffrey Levitt Chairman and chief investment officer 1 Mar 2003 Other 2388809
Michael William Delpercio Director of operations 1 Nov 2004 Other 5072050
Marian Lyia Brancaccio General counsel and chief compliance officer 1 Jul 2005 Other 5072052
Michael Jeffrey Levitt Partner 1 Aug 2005 Other 1616128
Stone Tower Operating Lp Sole member 1 Oct 2005 75% - 100% 06-1755442
Gregory Marlin Stover Principal and senior portfolio manager 1 Oct 2005 Other 5072043
James Edward Galowski Senior managing director - structured credit 1 Nov 2006 Other 4456927
Jonathan Israel Berger Senior portfolio manager 1 Feb 2007 Other 2768382
Francis Joseph Hager Senior managing director - marketing 1 May 2008 Other 1305519
Jeffrey Deutschman Partner 1 Jun 2009 Other 5259941
St Management Holdings Llc Partner 1 Apr 2012 75% - 100% 20-8351017
Marc Jeffrey Rowan Vice president 1 Apr 2012 Other 1410799
Joshua Jordan Harris Vice president 1 Apr 2012 Other 1593925
James Charles Zelter President 1 Apr 2012 Other 1336776
John Joseph Suydam Vice president and chief compliance officer 1 Apr 2012 Other 5217822
Barry John Giarraputo Vice president and chief financial officer 1 Apr 2012 Other 4132675
John Francis Xavier Phinney Vice president and chief operating officer 1 Apr 2012 Other 2314321
Leon David Black Vice president 1 Apr 2012 Other 847662
Eugene Edward Donnelly Vice president 1 Apr 2012 Other 5859856

Indirect Owners

The SEC currently registers 18 indirect owners.

Name Entity Date acquired Ownership Employer ID
Michael Jeffrey Levitt Manager 1 Sep 2001 75% - 100% 1616128
Michael Jeffrey Levitt Limited partner 1 Oct 2005 50% - 75% 1616128
Stone Tower Capital Llc General partner 1 Oct 2005 Other 22-3826532
L.P. Apollo Management Holdings Sole member - manager 1 Aug 2007 Other 20-8351017
Leon David Black Shareholder 1 Aug 2007 25% - 50% 847662
Llc Apollo Management Holdings Gp General partner 1 Aug 2007 Other 20-8350720
L.P. Ap Professional Holdings Limited partner 1 Aug 2007 50% - 75% 98-0541993
Apo Corp. Sole member 1 Aug 2007 Other 20-8880200
Llc Apollo Global Management Sole shareholder 1 Aug 2007 75% - 100% 20-8880053
Ltd. Brh Holdings Gp General partner 1 Aug 2007 Other 98-0547533
L.P. Brh Holdings Limited partner 1 Aug 2007 75% - 100% 98-0541994
Marc Jeffrey Rowan Shareholder 1 Aug 2007 25% - 50% 1410799
Joshua Jordan Harris Shareholder 1 Aug 2007 25% - 50% 1593925
L.P. Black Family Partners Limited partner 1 Aug 2007 25% - 50% 26-0194398
Llc Mjr Foundation Limited partner 1 Aug 2007 25% - 50% xxx-xx-xxxx
L.P. Mjh Partners Limited partner 1 Aug 2007 25% - 50% 26-0664903
Llc Apollo Capital Management Gp General partner 1 Oct 2011 Other 20-8350720
L.P. Apollo Capital Management Managing member 1 Apr 2012 75% - 100% 143161

Based in New York

The principal office where Stone Tower Debt Advisors LLC performs its advisory services is located at 9 West 57 Th Street, New York, NY 10019, which is also the mailing address of the firm. It doesn’t run an office outside of the United States.

You can reach the main office by calling the phone number 212-515-3200 or by fax 212-515-3251. The normal business hours are 8:00-5:00 on Monday - Friday.