Jean-Marie is a master trainer, having delivered over 10,000 hours of training time. Her experience ranges from corporate marketing in the US and international markets to inter-cultural work in Canada, Holland, Africa and the Middle East. Jean founded Yellow Marker with the vision of bringing character and values to the foreground in the commercial sector. Prior to founding Yellow Marker, Jean was CEO of Culture ROI. She developed and co-authored training materials and resources for CultureROI, their corporate clients as well as several non-profit and humanitarian organizations. In 1999, Jean became a Law Enforcement Chaplain, serving nine different law enforcement agencies in Sonoma.  She graduated from Jack Hayford’s School of Pastoral Nurture in 2006 and Dallas Willard’s Spiritual Formation for Pastors in 2009.  Jean is also the Director and Founder of GAP Youth Training Services, a ministry founded in 1998 dedicated to character development training for young people around the world. In 2012 GAP Youth became GAP Community and expanded to include work with adults and families both locally and internationally.

Jean is dedicated to:

Unleashing Passion – When people come alive in their workplace, their communities and their families, they bring their creativity and enjoy vibrant, fulfilling lives.

Developing Character – The foundation of business and personal success is aligning character with vision. Inviting people into their inherent greatness synergizes relationship in every sector of life.

Creating Legacy – Each person has the opportunity to choose how they relate to their life and in doing so, create an intentional mark on their relationships, in their communities and on the environment.

Prior to her career in training, she spent 15 years in the commercial insurance industry, ranging from negotiating International Oil & Gas business at Marsh New York to Vice President of Marketing for a Northern California insurance brokerage firm specializing in construction and hospitality in the San Francisco Bay Area.

Jean has trained over 100 facilitators and trainers in various organizations, developing both their skills and opening up new ways of thinking about themselves, others and their environment. Working small businesses as well as Fortune 100 companies, she has developed custom curriculum and training programs to meet the specific needs of her clients.

Jean’s educational background includes a Bachelor of Science degree in management from St. Mary’s College in the San Francisco Bay Area. Her studies included two years of liberal arts and philosophy at Georgetown University in Washington, D.C. and two years of marketing and international business studies at Loyola Marymount in upstate New York.





Amy Maxwell experienced her first transformational training at the age of 17 and decided to give her life to others being able to have that experience. She received her Bachelors from UCDAVIS and completed her STI curriculum at Fuller Seminary. Amy is currently pursuing an internationally acclaimed leadership Program at Georgetown University. With a passion to deliver transformational training all over the world, each year she explores new partnership options for serving “the orphans and the widows.”

Standing for forgiveness, love, and courage, Amy believes every person can see the gift they are for the world, and will be excited and passionate about giving it. Teenagers are a key group for GAP Community and Amy is committed to the development of their legacy, and for every teen to choose a future worth having.

Outside of ministry, Amy consults with luxury businesses on “upping” their customer service game and creating a positive impact on their clients. Together with her husband, they are starting a training and consulting company in DC to assist companies in their hiring and onboarding processes.

Amy lives in Northern Virginia with her husband, Jeffrey, of 16 years and their two children, Isabella and Gabriel.  She also serves on her church teaching and worship planning team.





Nathan is a pastor, speaker, coach and transformational trainer who specializes in the field of spiritual development and character transformation. He began his professional career in the arts at age 12, working as on-air talent for the Children’s Broadcasting Corporation, performing live with Disney, Universal Studios and the Academy of Television and Radio. Nathan continued his career in the performing arts, including work in theatre, music and experience design.

Nathan graduated with a B.A. in Youth Culture and Modern Music, and holds a double masters in Entrepreneur Leadership and Theological Studies. He spent 6 years learning and working with the Mosaic Los Angeles community, serving with the artisans and pastoral team.  Nathan currently serves as the lead pastor of Mosaic Pomona, developing communities  that speak to the core of human creativity and spirituality.

Nathan is also a certified transformational trainer & life coach, and is passionate about seeing others experience freedom by realigning vision with commitment, discovering their uniqueness, and living out the dreams that are placed within their soul.   Nathan strives to create spaces where communities become an intentional force of beauty - seeing their lives as the most powerful medium to shape the future of humanity.

He is married to Marla Neighbour and they live in Pomona, CA with the newest addition to their family, baby Jackson.

All of Nathan's talks as lead pastor for the faith community, Mosaic Pomona, can be found HERE