Tom & Nancy Stoeckel, Founders
Tom & Nancy Stoeckel, FoundersTom Stoeckel, Board Member
Tom and Nancy founded MMI in 1998 after seeing firsthand the vast need for health care and supplies globally. Tom is a retired Naval Captain and a registered nurse since 1975 with extensive medical experience as the Department Head of Level One Trauma Center Emergency Department for 13 years. He has Master’s Degrees in Radiation Physics and Counseling Psychology and has been an Ordained Minister since 2008 from the Berean school of the Bible.

Nancy has a Master’s Degree in Science and is a Family Nurse Practitioner. She began her career in 1991 as a Public Health Nurse and received her Master’s Degree in 1999. She continues to work as a Family Nurse Practitioner with a specialty in Women’s Health and Urgent Care medicine. Nancy was also an Officer in the US Navy and served for eight years as a practitioner.

Together, Tom and Nancy combine their extensive education and experience with a love for Christ and a passion for reaching and caring for others, mentoring and teaching, especially the under-served around the world.


Ralph Handly, O.D.
Ralph Handly, O.D.Board Chairman
Dr. Ralph Handly is an Optometrist retired after 45 years of practice. His practice venues have included the military, solo private practice and a group eye care practice. He is a retired US Army Colonel and recently retired as a partner at Eye-Q Vision Care in Fresno where he served 10 years as Board President. Since he joined the board of MMI, Ralph has volunteered countless hours in our warehouse building our supply of prescription glasses and working on donated equipment. Ralph has been married to Barbara, a retired nurse administrator, for 48 years and they have 4 children and 9 grandchildren. They share a love of travel and a passion for the vision and ministry of MMI.
Louie Martina
Louie MartinaBoard Member
Louie is the President of PARC Environmental. He took his first mission trip 21 years ago, and a love for God’s people throughout the world was birthed in him. Since then, he has traveled to many different countries and worked to grow God’s Kingdom. In addition to Board Chairman, Louie heads up the MMI international construction teams. He and his wife Marguery have four grown children and four grandchildren.
Brooke Nakashima, RD, CSR
Brooke Nakashima, RD, CSRBoard Member | Travel Teams Coordinator
With a heart to serve and a passion for the mission of MMI, Brooke has been MMI’s Travel Team Coordinator for our trips to both the Solomon Islands and Fiji. The Lord called Brooke into medical missions at a national mission conference in 2003. After meeting Tom and Nancy at a missions fair in 2011, Brooke began volunteering at MMI. In 2012, she joined the medical mission in The Solomon Islands. It was there that the Lord graciously showed her that by providing basic healthcare to the people of The Solomon Islands, their hearts were opened to the Good News.

Brooke has a Bachelor of Science degree in Food Science and Nutrition from Fresno State and has been a registered dietitian since 2006. She specialized in nutrition for kidney disease, geriatrics and developmental disabilities. For fun, Brooke enjoys experimenting in the kitchen, cheering on the San Francisco Giants, and lattes from Two Cities Coffee in Clovis.

Gary Hensley
Gary HensleyBoard Member
Gary has been involved in ministry most of his life. Growing up in a pastor’s home, he felt the call to ministry at a young age. He attended Vanguard University and through the years he has served as Youth Pastor, Assistant and Associate Pastor, as well as, a musician on worship teams. He and his wife, Lana, currently are the Senior Pastors at Calvary Worship Center in Fresno, California.

Gary has also worked professionally in the computer field for over 30 years. During that time he has worked as a programmer, consultant, and trainer for various companies and organizations, including the City of Fresno and California State University, Fresno. Although officially retired from this field he continues to use those skills to help businesses and organizations whenever possible. It was through this skill and his heart for missions that Gary came to be involved with MMI.

David Armstrong
David ArmstrongBoard Member
We are delighted to announce our long-time friend is our newest board member. Bio coming soon!


Cindy Castillo
Cindy CastilloChief Executive Officer
Cindy Castillo joined the MMI team in March of 2024. She is originally from the East Coast, but she has settled into Central Valley life and has been here over 10 years. She and her husband have three active boys. The Castillo family enjoys traveling, cooking together, and watching movies. Cindy looks forward to making more connections globally as MMI supplies countries in need. She hopes to continue to expand MMI’s reach internationally as we continue to grow our visibility domestically, especially right here in the Central Valley.
She has an MBA from Norwich University in Project Management.
Myra Smith
Myra SmithProgram Coordinator
Myra Smith is our Program Coordinator at MMI that just joined us this past August 2018. Myra grew up in Santa Maria, California and learned to serve the Lord through her parents loving example. She volunteered in Africa for two years prior to marrying her husband Jeff. She worked in Togo and Ghana for a year each with the Assemblies of God Church. They have two daughters and now two grandchildren. Myra has a passion for the Lord and missions and is excited to continue that work at MMI. She worked as a administrative assistant in several ministries her whole adult life and most recently with Pastor Terry Townsend at Peoples Church for 18 years. When you call MMI, Myra will be answering your phone calls.
Gerry Eden
Gerry EdenWarehouse Coordinator


Marguery Martina
Marguery MartinaChair, Partnership Council
Bio coming soon!
Rachel Kenny Wise
Rachel Kenny WiseDirector of International Clinics
In the spring of 2012, before she entered the nursing program at Fresno State, Rachel had the opportunity of going to an orphanage in Haiti, where God continued transforming her heart and shifting her passion to serve and love His people across the world. Rachel first encountered MMI in the fall following that trip to Haiti. She began volunteering at the MMI Clovis warehouse then joined the medical teams going to Fiji and the Solomon Islands in 2013. After this life-changing experience, God opened the door for her to become a part of the MMI team as one of the overseas clinic leaders. Currently Rachel graduated from nursing school this past December 2015. Rachel says, “I am excited to continue pursuing the Lord’s calling of medical missions as I become and RN!”
Debbie Condra
Debbie CondraBook Keeper
Photo and bio coming soon!
Drew Maddox
Drew MaddoxIT Consultant

MMI is always recruiting volunteers to assist us in our mission of providing hope through medical aid. Medical and non-medical volunteers are welcome and encouraged to join us!