Below is a partial list of clients with whom Ryan has had the pleasure of working.

Consumer Products
- Absolut Spirits
- Aventis
- Barnes & Noble
- Cadaco
- Cadbury Schweppes
- Campbell's Soup Company
- Century 21 Department Stores
- Coca-Cola Company
- Diageo
- Ermenegildo Zegna
- FAO Schwarz
- Harper's BAZAAR
- Hermès of Paris
- Hirshleifer's
- Johnson & Johnson
- Kodak
- Kellogg Marine
- Moët Hennessy
- NFL
- Novo Nordisk
- Pentax
- Pepperidge Farm
- PepsiCo
- Philip Morris Companies
- R.J. Reynolds
- Siegfried & Roy Productions
- Scholastic Books
- Showplace Wood Products
- Sony
- Tahitian Noni
- Ted Baker Apparel
- Toys "R" Us
- Zany Brainy

With NY Senator Chuck Schumer.

Media & Publishing
- Cablevision
- CBS News
- Clearview Cinemas
- Comcast
- Conde Nast
- Cox Target Media
- Disney Internet Group
- ESPN
- Fallon Advertising
- FOX Broadcasting Corp.
- Grey Worldwide
- Harper's BAZAAR
- NBC (Saturday Night Live)
- Organic
- Sopexa
- Time Warner Publishing
- Touchstone Pictures
- Turner Broadcasting
- The New York Times Magazine
- Vanity Fair
- VNU

Financial & Insurance
- American Express
- Bank of America
- Bessemer Trust
- Bloomberg
- Buckingham Capital Investments
- Citigroup
- Cornerstone Equity Investors
- Countrywide Mortgage
- Credit Suisse
- Deloitte & Touche
- Edward Jones Investments
- Elliott Associates
- Goldman Sachs
- HSBC
- Incapital
- ING Direct
- KPMG
- Lend America
- Macquarie Associates
- Maxim Group
- Mearie Group
- Merrill Lynch
- Morgan Stanley
- NacRe Insurance
- Nationwide Financial
- Needham and Co.
- Oppenheimer Funds
- Premier Planning Group
- Prudential Securities
- Reuters
- Sandler O'Neill
- Sumitomo Life Insurance
- Trenwick Group
- Venrock Associates

With Tommy Hilfiger and his wife.

Industry Specific
- Affinion
- Amerada Hess
- Atlantic Cocoa Co.
- Avida Americas
- Amnet USA
- Bridge Associates
- Celgene
- Cap Gemini Ernst & Young
- Champion International
- ClubFONE, Inc.
- Compass
- Daikin
- Ermenegildo Zegna
- Execunet
- Florida League of Cities
- Gartner Group
- Kellog Marine
- Maguire Products
- Mercer Management Consulting
- MGM Foxwoods
- Mitsubishi
- National Label Company
- Olin Corporation
- Oliver Wyman
- Pratt Industries
- Pitney Bowes
- Pfizer
- Prudential Realty
- SL Green Realty
- SNET
- Soil Mechanics, Inc.
- Sopexa
- Stephen Gould Corp.
- Stoelting
- Thinc Design
- Tomra
- Trilegiant
- Xerox Corporation

Law Firms
- Arnold & Porter
- Emmet, Marvin & Martin
- Golenbock Eiseman Assor Bell & Peskoe
- Guzov Ofsink
- Jacoby & Meyers
- Kaufman Borgeest & Ryan
- Kaye Schuler Law Firm
- Robinson & Cole
- Sidley Austin Brown & Wood
- Sullivan & Worcester

Technology
- Blackbaud
- Crestwood Technology Group
- Datavelocity
- Dupont
- Honeywell
- GE Capital
- Interactive Digital Publishing Group
- IBM
- Intel
- ITT
- Nokia
- Novell
- Microsoft
- T-Mobile

Associations
- Association of Commercial Finance Attorneys
- Florida League of Cities
- Million Dollar Round Table
- Young Presidents' Organization

Associations & Non-Profit
- American Cancer Society
- American Institute of Graphic Arts
- American Repertory Ballet
- Americares
- Arthur Ashe Foundation
- Boy Scouts of America
- Children's Hope Foundation
- Children's Tumor Foundation
- Food-PATCH
- Gift of Life Foundation
- Hedge Funds Care
- Horizons
- 9/11 Widows & Families Fund
- Sloane Kettering Memorial Hospital
- Step Up Women's Network
- United Digital Artists
- UJA-Federation of New York
-

Colleges & Universities
- Bryn Mawr College
- Harvard University
- High Point University
- Hofstra University
- Hunter College
- Penn State University
- University of Connecticut
- University of Pennsylvania
- Yale University
- Wellesley College