In the past several years, Garth Hallberg has spoken about Differential Marketing at the following professional conferences:

Advertising Research Foundation Integrated Marketing Symposium

Association for the Advancement of Relationship Marketing (Canada)

Association of National Advertisers

Belgian Direct Marketing Association

British Telephone FMCG Marketing Conference (UK)

Charter Institute of Marketing Annual Conference (UK)

Claritas Database Marketing Conference (UK)

Consumer Electronic Manufacturers Association

Coopers & Lybrand CEO Learning Partnership

Cranfield University Reinventing Competitive Advantage (UK)

DIMA (Germany)

Direct Marketing Association Annual Conference

DMA Brand Marketing Conference

DMSA Congress (Holland)

GRP Symposium (Holland)

Inc. Magazine High-Return Marketing Strategies

Institute for Relationship Marketing (UK)

Investec Future of Communications (South Africa)

Marketing Forum (UK & US)

Mexican Direct Marketing Association

National Center for Database Marketing Conference

Promarca Annual Conference (Switzerland)

Promotion Marketing Association Annual Conference

Semana de Marketing Directo (Spain)