Macfarlane and Jacobs are co-authors of "The Vital Corporation: How American Companies Large and Small Double Profits in Two Years or Less" (Prentice Hall, 1990). The book, which is based on the authors' consulting work and research in over 30 fast-growing companies, presents energizing strategies to accelerate corporate growth and dramatically increase profits. Jacobs is also co-author of "The Vital Difference: Unleashing the Power of Sustained Corporate Success" (American Management Association, 1985), a book based on studies of highly successful, multi-billion dollar companies. Tom Peters, co-author of "In Search of Excellence", calls the book "a rare and superb job of unearthing both the 'soft' and 'hard' factors that underpin Sustained Corporate Success. In his introduction to the book. Peter Drucker says it is "full of profound insight, indeed wisdom."

In addition to their work with companies, Macfarlane and Jacobs have over 25 years experience working as consultants on international development issues in Asia, Eastern Europe and the Middle East. They were founding members and officers of the International Commission on Peace and Food (ICPF), an independent, non-governmental organization of distinguished political leaders, international administrators, scientists, businessmen and professionals from 15 nations established in 1989 to promote world peace and international development. They currently direct the International Center for Peace and Development in Napa, California to promote implementation of the Commission's recommendations and conduct further research.