Association Headquarters

AH Time Line

1978 Association Headquarters (AH) is founded by William L. MacMillan, CAE. Current client partners Juvenile Products Manufacturers Association and Pencil Makers Association (since merged with client partner Writing Instrument Manufacturers Association) were the first client partners. Five employees and a one-bedroom apartment served as the first offices.

1979 AH moves to first office building location, with approximately 1,800 square feet of space.

1987 Robert Waller, Jr., CAE, AH’s current president and chief operating officer, joins AH.

1989 AH establishes new public relations department.

1990 AH moves to new office space in Mt. Laurel with approximately 4,000 square feet of space.

1991 AH establishes meetings/trade show department. Prior to this time executive directors were responsible for this function.

1995 AH moves to new offices in Moorestown with approximately 6,500 square feet of space.

1996 AH establishes creative services department.

1998 AH establishes accounting department. Prior to this time it was a bookkeeping-only function. Robert Waller, Jr., CAE, becomes president and chief operating officer. Bill MacMillan, CAE, becomes chief executive officer. Staff grows to 25 team members.

2000 AH acquires TEAM Management division of Slack, Inc., and begins managing medical associations for the first time.

2001 AH moves to Mount Laurel to a new office building with more than 15,000 square feet of space.

2003 AH celebrates 25th anniversary. Staff grows to 60 team members.

2004 AH ranks among Philadelphia 100® fastest growing companies as determined by the University of Pennsylvania Wharton School and the Philadelphia Business Journal. Staff grows to 82 team members.

2005 AH moves to a new state-of-the-art office building with more than 20,000 square feet of space. AH launches Communications Support Services division.

2006 AH is reaccredited by the AMC Institute reinforcing AH’s ability to deliver consistent quality service to client partners and distinguishing the company even further as a leader among association management companies. AH is recognized by the Philadelphia Business Journal as one of the “50 Best Places to Work” in the region.

2007 AH acquires an additional 5,000 square feet of space, bringing the total to 25,000 square feet.

2008 AH celebrates 30th anniversary. Staff grows to more than 130 team members.