Howard Martin is one of the original leaders who helped Doc Childre found HeartMath and has been with the organization since its inception in 1991 serving as a key spokesperson and executive. In 1999 he co-authored with Doc Childre, The HeartMath Solution, published by HarperSanFrancisco , considered to be a classic and the definitive work on the intelligence of the heart. Howard is also a contributing author of the new book, Heart Intelligence, Connecting with the Intuitive Guidance of the Heart.

Howard played a key role in launching the Global Coherence Initiative (GCI), a science-based, co-creative project to unite people in heart-focused care and intention, to facilitate the shift in global consciousness from instability and discord to balance, cooperation and enduring peace. He has served as a Steering Committee Member and spokesperson for GCI since its inception in 2008.

During his career with HeartMath and the Global Coherence Initiative, Howard has been instrumental in delivering practical, yet dynamic programs to tens of thousands of people in audiences world-wide. Because of his universal appeal, he has conducted keynote presentations and training programs for Fortune 100 companies, government agencies, all four branches of the U.S. military, school systems, ecumenical organizations and for publicly promoted events in over 50 cities on four continents.