Providence St. Mary Foundation Board

Susie Colombo, Providence St. Mary Foundation board member.

Susie Columbo

Board Chair

Susie has worked for more than 35 years at Baker Boyer Bank, most recently serving as Vice President, Family Advisor and is a Certified Wealth Strategist. She is the 2017 Award of Merit recipient / Walla Walla Valley’s Woman of the Year – an honor that includes many avenues of community work. Susie embraces her time spent with her husband, two children, family and friends and enjoys biking, reading and traveling. She joined the Foundation Board in 2013 to increase her knowledge of the Walla Walla medical community and to help create a healthier community. Her legacy of giving back to our community is to share the core value with her children.

Matt Mahan, Providence St. Mary Foundation board member - Walla Walla, WA

Matt Mahan


Matt grew up in Walla Walla and attended area schools, including Walla Walla Community College. Matt is a licensed Funeral Director at Herring-Groseclose Funeral Home and has been very active in organizations such as the Knights of Columbus, Walla Walla Exchange Club, WWCC Booster Club and the Washington State Funeral Director's Association. Matt is married to Lita Mahan and they have one son, Zachary.

Peter Hess

Peter Hess


Peter is an attorney at Hess Law Office, PLLC and a proud Walla Wallan! He joined the Foundation Board in 2012 with the belief that everyone should have access to great health care. Peter is married and loves being a dad.

Dr Patty Martin

Patty Martin, DDS


Patty is a general dentist at Stone Creek Dental Care and moved to the Walla Walla Valley in 2012. She grew up in Sumner, WA and graduated magna cum laude from Washington State University in 20005. She was a varsity cheerleader for the Cougars and remains a huge fan. After graduation, she worked as a flight attendant for a few years before moving onto graduate school at the University of Washington’s School of Dentistry. Patty did several externships throughout eastern Washington during her dental school training and became passionate about providing high quality health care in a more rural setting, which is what interested her in becoming a member of our board. Patty is an active member of several charitable organizations, including noon Rotary, AAUW and Junior Club. She serves as president for the local dental society and is on the Budget and Finance Committee for the Washington State Dental Organization. She enjoys traveling, gardening, cooking, running and spending time with her husband, son and fur babies.


Susan Blackburn

Susan is Chief Administrative Officer for Providence St. Mary Medical Center and has been with Providence for more than 30 years. In 2011, she was promoted to chief operating officer after serving for several years in the role of vice president HR/support services. Susan is a graduate of Washington State University (go Cougs!). She’s been married to her husband, Brad, for 25 years. They have three daughters. Her interests include spending time with her family, golfing, water sports and traveling.

Gretchen Brown, Providence St. Mary Foundation board member - Walla Walla, WA

Gretchen Brown

Gretchen recently retired as a RN at Providence St. Mary Medical Center after 27 years - more than 20 were in the Cancer Center. Her husband of 41 years, three sons and six grandchildren were born at St Mary’s. Gretchen has served on King's Kids Preschool Board as treasurer for the past 26 years, and is active at Christ the King Lutheran Church in Milton Freewater—most recently as worship accompanist, choir member and volunteer parish nurse. She is also on the board for the Breadbasket food bank in Milton Freewater. Gretchen hopes to help maintain the high level of service found at St Mary’s and has a passion for taking care of the vulnerable and disenfranchised.

Mark Carlile, Board Member- Providence St. Mary Foundation

Mark Carlile

Mark is the president and CEO of Total Office Concepts. Mark was raised in Walla Walla, left to earn his accounting degree from Central Washington University and eventually became a licensed CPA. He lived and worked in Seattle until moving home in 1996, purchasing TOC from his father and continuing the family legacy. Mark and his wife, Lisa, enjoy a successful marriage and raising three children together—Caitlin, Joshua and Jaden. As a parent, employer and community member, Mark sees the importance of excellent local health care from many different angles. He is excited to join the Providence St. Mary Foundation board to broaden his support of the community and local health care.

Deborah Castillo, Providence St. Mary Foundation Board member.

Deborah Castillo

Deborah was born in Albuquerque, New Mexico where she met and married her high school sweetheart, Sam in 1972. The couple moved to the Pacific Northwest in 1974 where Sam attended Dental School at University of Oregon Health Science Center. In 1978 they moved to Redmond, Washington and she helped her husband establish his dental practice in Duvall. She also enjoyed a career as a licensed massage practitioner. In 2007 they purchased 66 acres in the Walla Walla Valley and became involved in the wine industry as owners of Castillo de Feliciana Winery (the name inspired by Deborah’s great aunt, Feliciana). Deborah and Sam have two children, Kara and Christopher - both are involved in the family-owned winery - and recently became grandparents. Deborah enjoys reading, cooking, entertaining, traveling and spending quality time with family.

Marguerite Daltoso

Marguerite Daltoso

Marguerite has worked as an Administrative Assistant for the Walla Walla County Conservation District for over 31 years. She has been blessed with a devoted husband, 6 children, 15 grandchildren, 9 great grandchildren and 1 more on the way. Together, her and her husband volunteered a total of 56 years at St. Mary, where Marguerite also served as President of the Service League. Marguerite has received numerous awards, including the 2013 Volunteer of the Year Award for the Spokane Diocese Catholic Charities and the 1991 Washington State American Mother of the Year. She feels honored to serve as a Foundation Board Member after serving more than 20 years as a volunteer. She feels happy to be a part of an organization that gives back to the community in it's generosity and charity every year.

Chris Gardea, Providence St. Mary Foundation board member - Walla Walla, WA

Chris Gardea

Chris is the Assistant Superintendent for the Walla Walla School District. He graduated from Eastern Washington University and has been involved in education in the Walla Walla Valley since 1997. He and his wife, Angie, have two children that were born at St. Mary. Chris is excited to serve an organization that has provided exceptional compassion and care to his family.

Art Griff

Art Griff

Art is a retired Pharmacist who has lived in Walla Walla for 63 years. He became involved with St. Mary in 1966 when he served as President of a newly created advisory board to guide the Sisters of Providence on the feasibility of building a new hospital, which was built in the 1970's. Art has served as a member of the Walla Walla Chamber of Commerce, Exchange Club, Downtown Development Corp., Main Street Development, Assumption Parish Council and the Washington Pharmacy Association. In 1978, Art was the recipient of the the Person of the Year Award. He serves as a Foundation Board Member because of the great hospital it is and the contribution it is making to the community.

Bradley Johnson, MD

Bradley Johnson, MD

Dr. Brad Johnson is the Medical Director of Imaging at St. Mary. He is married to Jan Johnson and has lived in Walla Walla for the last 5 years. Brad loves Walla Walla and feels strongly about the appropriate use of philanthropy in the current health care environment.


S. Steven Maxood, MD

Reese John 13

John Reese

John and his wife, Elaine, moved to Walla Walla in September 1958 after two years in the United States Air Force. They have four children, twenty-three grandchildren, and will soon be great-grandparents. John joined the Providence St. Mary Foundation when it was first formed, as he thought it was important to do everything possible to keep St. Mary a strong organization. John feels that having a strong local hospital enables all Walla Wallans to stay at home for medical care without the necessity of traveling outside the community.

Matt Stroemel, DO

Matt Stroemel, DO

Dr. Matt Stroemel is a Nephrologist at St. Mary. He graduated from the College of Osteopathic Medicine of Oklahoma State University and completed his fellowship at the University of Oklahoma Health Sciences Center. Matt joined the Foundation Board in 2014.


Terri Turner Hanson

Terri grew up in Walla Walla and became a cosmetologist 35 years ago. She has since owned three salons in Walla Walla. She and her husband, Gary were co-owners of Abajian Toyota-Scion, until selling the business in 2014. Terri has been blessed with two children, a son-in-law and granddaughter. She enjoys spending time with her family, cooking and entertaining. Terri has volunteered in many local organizations including; Junior Club, Carnegie Art Center- Picture Lady, Youth Baseball Chairperson, Sharpstein PTA, Garrison PTA, Citizens for Schools and co-chair of a bond for the Remodel of Sharpstein School. She has received numerous awards for her volunteerism including the Art Reiger Award for "Volunteer of the Year" presented by the Walla Walla School District. She has also coordinated the Walla Walla High School golf fundraiser tournament. She has volunteered for the silent auction at the St. Mary Foundation Golf Tournament in 2014 and 2015. She is excited to have the opportunity to serve on the St. Mary Foundation Board and is looking forward to putting her skills to work.

Blake Underriner

Blake Underriner

Blake Underriner is the General Manager of Walla Walla Valley Honda. He was raised in Billings, Montana and is a fourth generation auto dealer. Blake was raised in a family environment that emphasized community involvement and giving support to local causes. He graduated from Billings West High School and then earned a degree from Gonzaga University in Business Administration with an emphasis in Finance. Prior to moving to Walla Walla, Blake served as a District Sales Manager for American Honda Motor Company in Virginia. During his four years with Honda, Blake excelled at his position and gained valuable experience. He plans to put his family upbringing and business experience to work at Walla Walla Valley Honda. Blake has been active in supporting cancer survivor programs for children with cancer and is active in automobile trade associations. He is looking forward to working with the Walla Walla Valley Community.

Gordy Venneri

Gordy Venneri

Gordy Venneri is a co-winemaker, co-owner, and managing partner at Walla Walla Vintners. Upon returning from a trip to Italy in 1981, he and his friend Myles Anderson started producing home-crafted wine. In 1995, their hobby was launched in the 8th bonded winery in the Walla Walla AVA, which now boasts more than 100 wineries. Walla Walla Vinters has grown from 600 cases to 5,000 cases and specialized in hand-crafted premium quality red wines at a value price.

Meghan Warwick, Foundation Board member - Providence St. Mary Foundation, Walla Walla, WA.

Meghan Warwick

Meghan graduated from Washington State University with a B.S. in Zoology. She has worked for 11 years in the pharmaceutical industry and is currently an Executive Sales Representative for a major bio-pharmaceutical company. Meghan was born at Providence St. Mary and was raised in Walla Walla, where she spent many high school hours volunteering at the hospital. She enjoys spending time with her two children (also born at St. Mary), doing yoga and dancing. Meghan has a passion for promoting healthy living and is excited to be part of an organization that supports health and wellness in our community.

Cindy Widmer, Board Chair

Cindy Widmer

Cindy recently retired as the Office and Donations Manager at L’Ecole No. 41. She currently cares for her preschool grandchild and provides non-profit grant development and consultation services. Prior to working at the winery, Cindy’s career path gravitated to executive management positions within the non-profit community. Cindy grew up in California, spent years of college and her early career in Oregon, and has lived the last 38 years in Walla Walla. Cindy joined the Foundation Board because she was moved by a personal experience of deep care, concern and compassion from the staff of Providence St. Mary Medical Center in 2007.