Since 1987, Richard Chang has helped numerous corporate groups and associations worldwide. 

A partial list of his satisfied clients includes: 

• American Association of Occupational Health Nurses
• Kinko's Service Corporation
• American Marketing Association
• Lakewood Conferences
• American Society of Association Executives
• Midwest College Placement Association
• American Society for Training and Development
• Monterey Quality Conference
• Asia Pacific Service & Quality Conference
• National Association of Realtors
• Association for Quality & Participation
• NCR Corporation
• Blue Cross Blue Shield
• North Carolina Quality Conference
• California Society of Certified Public Accountants
• Penton Publishing
• Compaq Computer Corporation
• Reynolds and Reynolds
• Corporate University Forum
• Sears Home Improvement Services
• Corporate University Week
• Sempra Energy
• Decorative Laminate Products Association
• Singapore Quality Award
• Fidelity Investments
• Society for Human Resource Management
• Fischer Mahon Ireland
• Society of Consumer Affairs Professionals
• Florida Sterling Quality Conference
• TDS Telecom
• Hawaii Quality Conference
• Universal Studios
• Human Resource Executive Forum
• U.S. Patent & Trademark Office
• Instructional Systems Association
• U.S. Sales Corporation
• International Society for Performance Improvement
• Virginia Department of Personnel and Training
• Jakarta Hilton International
• Western Digital