Consultant Mal Warwick is the founder or cofounder of four affiliated companies: Mal Warwick & Associates, Inc.; Share Group, Inc.; DONORDIGITAL.COM LLC; and Response Management Technologies, Inc. These companies provide a wide range of direct response fundraising and marketing services to nonprofit clients throughout North America. Warwick has taught fundraising techniques on five continents and is the author or editor of more than a dozen books on the topic of fundraising, including How to Write Successful Fundraising Letters.