1967 - David H. Sandler, a salesman of motivational materials, rejects the "forced, rote" sales method he has been taught and begins to create a "better way to sell."
1969 - Sandler formally consolidates his newly refined sales methods and approach into the Sandler Selling System.
1969 - Sandler launches The President's Club, a comprehensive sales training program that teaches the Sandler Selling System and helps members achieve sales mastery through an ongoing workshop and coaching format that provides vital reinforcement training.
1983 - Sandler forms Sandler Systems, Inc. to provide in-house training in the Sandler Selling System. U.S. companies, as well as overseas firms, soon sign up for training.
1983 - Sandler Systems, Inc. creates the Sandler Sales Institute to franchise its training centers and unique reinforcement training methods throughout the United States and Canada.
1995 - Dutton publishes Sandler's book, "You Can't Teach a Kid to Ride a Bike at a Seminar," which tells the story of the development of the Sandler Selling System.
1996 - Legend Development Services, Inc. founded as a Long Island Authorized Licensee of the Sandler Sales Institute
1997 - Sandler's President's Club course curriculum becomes the first training program in the world to receive certification through an international accrediting body recognized by the Dutch Council for Accreditation.
1999 - The Sandler Sales Institute publishes "Close The Deal," a book written in collaboration with Lyle Sussman and Sam Deep.
1999 - Legend Development Services, Inc. expands and moves to new offices in Commack, Long Island, New York.
2000 - Sandler Systems, Inc. forms a strategic alliance with leading Client Relationship Management software developer SalesLogix®. The Sandler SolutionPack allows SalesLogix® customers to overlay the Sandler Selling System onto their SalesLogix® programs.
2000 - Sandler Sales Institute produces an audio program that is being sold through Nightingale - Conant.
2001 - Sandler International, a division of Sandler Systems, Inc., under the leadership of Edna Sandler, President and CEO, and Margaret Stevens Jacks, Vice President of International Development, is formed. Sandler International initiates, manages and directs all overseas training activities on behalf of the Sandler Sales Institute; provides direct in-house sales and sales management training to multinational or overseas organizations; and builds the Sandler International area developer network.
2001 - Entrepreneur Magazine names Sandler the "Number One Management Training Franchise in America" for the fifth time.
2001- Sandler International signs and agreement with ab exclusive area developer for Greece.
2002- Sandler Interantions and SARAP Limited sign an agreement naming SARAP Limited as the exclusive area developer for Ireland.
2002 - Legend Development Services, Inc. again expands and moves to new offices in the Hauppauge Industrial Park, Long Island, New York.
2003 - Legend Development Services, Inc. achieves Platinum Award from Sandler Systems, Inc. This level of business success is reached by fewer than 15% of the Sandler Franchisees nationwide.
2003- Sandler International and Big Cat Training Ltd. sign a Master Franchise agreement awarding the British company exclusive franchising rights in the UK.
2003- Sandler International enters into an agreement granting A.G.S. Ventures Ltd. exclusive area developer right for Hong Kong.
2004 - Mexico Becomes a new additiona to Sandler International development, upon execution of Master Franchise agreement with DLC Consulting, S.C.
2004- The Sandler Sales Institute celebrates their 21st Anniversary!
2004 - Rich Isaac takes on the role of Mid-Atlantic Representative to the Sandler Franchisee Advisory Board.
2004- Sandler International enters into agreement with Personal and Executive Development Pty Limited awarding exclusive Master Franchisee rights for the countries of Australia and New Zealand.
2005- Poland joins the Sandler International community after an agreement is signed between Client Direct as the exclusive Master Franchisee for Poland.
2005- KPMG Kyriacou Advisors acquires the area development rights for Greece and Cypress.
2005 - Rich Isaac is appointed Vice President of the the Sandler Franchisee Advisory Board.
2006- Legend Development Services celebrates their 10th Anniversary!
2006 - Legend Development Services becomes strategic partners with Sales Strategy Corp. (Jeremy Rawitz)
2006 - Michael Munzer joins Legend Development Services in the role of Vice President.
2006- UK Master Franchisee continues its rapid growth and counts seven individually owned franchises under their direction.
2006- Entrepreneur Magazine names Sandler the "Number One Management Training Franchise in America" for the sixth time.