Nick Timchalk


Corporate Counsel

Tableau Software, Inc.

After spending two years volunteering with tSB as a snowboard instructor, Nick wanted to bring his passion for youth development, snowboarding, and the law to the Board in Spring of 2017.

Nick, a Washington native, graduated from University of Idaho with his undergraduate degree focused on international affairs and economics led him to Seattle University for law school. Nick lives in Capitol Hill with his wife, Kristina, and black lab, Kevin.

Priscilla Umemoto


Portfolio Manager

Blanton Turner

Priscilla joined the tSBoard in January 2019. She served as a mentor for tSB in 2017 and 2018. Priscilla was drawn to tSBoard after witnessing, through several peers, tSB’s strength in community and fell in love with the idea that the program was youth-led. She hopes to continue learning from and growing with the organization, while also contributing her time and passion.

Growing up in a military family, Priscilla moved around a lot but has always called Kaneohe, Hawaii home. She graduated from the University of Washington with a degree in Philosophy and Comparative History of Ideas. Living in Seattle for the past 14 years, she enjoys spending time outdoors exploring nearby hikes and lakes. Indoors she enjoys taking time to work on crafting, the exploration of movement and collecting books.

Marcus DelGado

Board of Directors

Program Manager


As a guest at the Soiree in 2017, Marcus was captivated by the impact tSB has played in the lives of our youth and vowed to carry out its mission. He joined the tSBoard in March 2018 and is an advocate of community service and will utilize his zeal to uplift and empower tSB participants.

Marcus is from Phoenix, Arizona and is an alumni of Fort Hays State University where he studied math. In his spare time, Marcus enjoys cooking and outside of the kitchen, he loves traveling, spending time with his 7 nieces and nephews, playing basketball, and snowboarding across the country.

Dana Guy

Board of Directors

Deputy Director

PEPS (Program for Early Parent Support)

Inspired by tSB’s mission and work empowering youth, Dana joined the Board in February 2017. She is excited to utilize her experience with nonprofit management, capacity building and communications to help move tSB forward.

Dana is a Seattle native and graduate of UC San Diego. Shortly after graduating college, she landed her dream job managing communications at Mammoth Mountain Ski Area in California. Family drew Dana back to Seattle. Dana lives in Kirkland with her husband Mike, daughter Violet and son Owen. Their favorite weekend winter activity is hitting the slopes.

Philip Heller

Board of Directors


Learning Design Associates

After being a tSB mentor in 2015, Philip joined the Board in September 2017 to continue helping teens develop themselves as leaders. He grew up in East Harlem in New York City, then bounced his way across the country to Seattle.

Philip is the owner of Learning Design Associates, a coaching and leadership development practice. He has raised 3 sons with his wife Gail and is passionately interested in growing edges, learning Spanish and staying healthy.

Mylinh Bui

Board of Directors

API Chaya

Youth and Family Advocate

Mylinh first joined tSB in 2012 as a Prophet (first year youth participant). Shortly after graduating from the University of Washington, Mylinh returned to tSB as a mentor in 2016. Being able to benefit so greatly as a youth, she recognizes the importance of a program like tSB. It only made sense that her next step was to join the tSBoard in April 2019 to continue the work in ensuring the legacy of tSB lives on and that all youth who participate in the program are able to tap into their most powerful and unapologetic selves.

Mylinh works as an advocate at API Chaya. In her free time, she is always seeking new hobbies. She currently resides in Capitol Hill with her cat, Jackson.

Elizabeth Sto. Domingo

Vice Chair

Diversity Recruiting Manager

Associated Recreation Council

Liz joined the tSBoard in October 2017 and believes in giving back to the community through volunteer work and providing youth with the path to becoming leaders of tomorrow. Liz is a native of the Philippines, speaks Tagalog fluently, and has lived in Washington since 1970. She has over 20+ years’ of successful experience in human resources leadership capacities.

Liz studied communications, with an emphasis in cultural studies at the University of Washington and studied Interior Design at the Art Institute of Seattle. Liz plays tennis, chess, enjoys travel, theatre and lastly, a foodie at heart. She and her sons frequent the local restaurants for new food experiences regularly.

Ash Price


Senior Gear Designer

REI Co-op

Ash first joined tSB as a mentor in the 2017, and served as both a mentor and a first time Board member in 2018. A close friend introduced her to tSB after years of searching for the right volunteer community. tSB has been the perfect combination of youth mentorship, social justice, a love of the outdoors and really incredible people. Ash is grateful to be a part of the tSB family.

Ash studied industrial design at the University of Cincinnati and has bounced from coast to coast several times. Eventually a position at REI Co-op brought her to Seattle, where she designs technical backpacks and other outdoor gear. Ash loves hiking, painting portraits, and spending time with her Aussie Shepherd mix, Olive.

Kris Yoshizawa

Board of Directors


Perkins Coie LLP

Kris joined tSB in October 2015. Kris was introduced to tSB in 2014, and after attending the Soiree, he was won over by the organization’s mission and the close knit community.

He grew up in Honolulu, Hawaii, lived and worked in Omaha, Nebraska. When not working, Kris can be found snowboarding, hiking, snowshoeing, and golfing, with his wife, Rene.

Julian Maynard

Board of Directors

Extended Day Manager

Epiphany School

After being introduced to tSB by a fellow Board member, Julian joined the tSBoard in December 2018. Over the past 15 years, Julian has worked with students at all levels to create and deliver media literacy, social justice, outdoor education and leadership development programming in the US, Canada and Europe.

Raised in Nassau, Bahamas and with a degree in Marketing from Boston College, Julian moved to Seattle in 2017. He currently works as the Extended Day Manager at Epiphany School. Julian is committed to helping address systemic gaps in education, resources and related services generally. Yet, he is particularly passionate about youth-led programming models. These features of tSB, along with alumni involvement, its 24-year history and the length of service by many of the mentors and board members, attracted Julian to tSB and its work.

Maria Ariens

Board of Directors


Highline Public Schools

Maria joined the tSBoard in December 2018 and was first introduced to tSB when she attended Soiree in 2017. As a teacher and outdoor enthusiast, she was inspired by the mission of the organization and the positive work and relationships tSB is all about. Troubled by the lack of access to outdoor recreation and mentorship in her own students, tSB resounded with Maria and she can’t wait to be a supporter in the coming years.

Born and raised in the Seattle area where most of her family still resides, Maria is currently an elementary school teacher for Highline Public Schools. She and her husband Johannes live in the Georgetown neighborhood with their dog Franzie. Whenever she can, she spends time cooking, skiing, & hiking, and is an aspiring mountain biker and surfer.