Our Y Staff
Andrew Corley
Executive Director/CEO
Andy Corley (he/him) is the CEO and Executive Director at the YMCA of the Seven Council Fires. Though he has been working for this YMCA for the last several years, he has been working within the Y movement for more than a decade. His YMCA story started off in Cape Cod, MA at a resident camp called Camp Burgess and Hayward. Of his commitment to the Y world and the Sioux YMCA, he says "It is amazing to see what an impact one organization can make in an area."
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In his free time, Andy likes to stay active. He can usually be spotted around town running or walking with his dogs, Marlo and Murphy. Along with running, biking takes up a great deal of his free time.
Anthony Summers
Infrastructure Director
After four years in Pittsburgh, Anthony has returned to the YMCA Seven Council Fires as the Infrastructure Director. With a strong background in operations, logistics, and program support, Anthony is dedicated to ensuring the facilities, grounds, and systems of the YMCA are safe, efficient, and ready to serve the community. His leadership and hands-on approach reflect years of experience managing teams, coordinating complex projects, and building environments where others can thrive.
Outside of his professional work, Anthony is an avid traveler, photographer, and outdoor enthusiast. He’s road tripped through 48 of the 50 connected states and visited 41 of the 63 U.S. National Parks, often with his two loyal travel companions, Zion and Denali. Through his photography, Anthony captures the spirit of the landscapes and communities he encounters, blending his passion for exploration with storytelling through the lens.
Anthony is excited to be back with the Y, combining his love for the outdoors, commitment to community, and appreciation for the beauty of the Great Plains and beyond.
Brittany Brooks
Associate Executive Director
Brittany Brooks (she/her) grew up in Dupree and has lived around the area her whole 30+ years of life! She has a masters degree in Educational Leadership and Administration. She taught at the Dupree School for 8 years of her career; she kept witnessing the positive effects the Y has on our community and wanted to work with the Y. She notes how the whole team has done an amazing job at making the YMCA of the Seven Council Fire thrive!
She enjoys continuing growing the Y on the Cheyenne River Sioux Tribe communities and making a positive impact on our youths' lives. She loves working with youth and adults and collaborating to make our area a safe place for people to be.
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In her free time, you can find her at home on the ranch with her dogs, working in her yard, doing puzzles, or off on an adventure because she also loves to travel!
Mariah McLellan
Retreats and Trips Director
Mariah McLellan (she/her) was born and raised not far from Dupree and spent most of her life in the education field. She is a member of the Cheyenne River Sioux tribe.
She started working with the Y as the Youth Development Director and recently took a leap of faith and accepted the Retreats and Trips Director position. She states that she could not be happier and more excited to see where this adventure takes her!
She is a mother of (4) children who are her passion. When she's not at the Y, she can be found at a kid's sporting event, cooking for a crowd, or spending time with her family! She looks forward to meeting new volunteers and continuing to learn and grow effectively with the Y team.
Kimberly Pesicka
Daycare Director
Kimberly Pesicka (she/her) was born and raised in Pierre, SD. She is an enrolled member of the Rosebud Sioux Tribe. She is the second youngest of 10 kids! She is a mother to two little boys and a little girl who keep her on her toes.
She attended college in Sioux Falls where she has an associates degree in media art but accidentally found passion in early childhood when she was working a part time job at a daycare. Her early childhood career started almost 10 years ago working as an infant teacher. She has worked in every aspect involving daycares, from everything to infant teacher, cook, transportation of children to now director. She has 4 years' experience working for the Head Start Program where she obtained accreditation in preschool education.
When she is not chasing kids, rocking babies, working cattle for their ranch or helping her husband flip houses for rentals, she is nose deep in a good book, gardening, or baking cookies!
Nick Nathanson
Director of Camping
Nick Nathanson (he/him) was born and raised in Long Island, NY. After graduation, he moved out to Los Angeles where he was a high school basketball coach for the past 8 years. He said he was fortunate enough to win coach of the year in 2022, before deciding to shift his focus to the camping world.
While he was a coach, he served as an Athletic Director at several residential summer camps in the northeast. He said he is beyond excited to be a part of this amazing team and can't wait to see you all at camp this summer!
Frank Hernandez
Kitchen Director
Frank Hernandez (he/him) has been with the Dupree Y for 3 years. Prior to working with the Y, he worked as a mentor for Aliso/Pico, a multi-purpose center working with inner city children in Los Angeles, California. He then moved to Oregon where he began his culinary road. He started as a donut fryer for a large grocery chain and moved his way up to cake decorating and eventually assistant bakery manager.
He then moved to ND where he worked for Prairie Knights Casino and Resort as a pastry chef. At Prairie Knights he had the pleasure of working with many chefs learning different skills not only in pastry arts but also in fine dining as well. After many years of learning several cultures in food, he is proud to bring his skills to the YMCA elder feeding program and the youth feeding program during the summer and afterschool during the school year. His goal is to offer our elders and youth a healthier way of eating and introduce different dishes from different countries that are healthy.
Board of Directors
Shane Farlee, Chair
Nicky White Eyes, Vice Chair
Melissa LeBeau, Sec.
Brent Mareska
Alli Moran, Past Chair
Ardis Warcloud
Ryan Maher
Cindy Lindskov
Barb LaPlante
Erick In The Woods
Bernita In The Woods
Kelsie Haskell
Jayme Murray
Jace Birkland
Teri Gayer
​Jamalia Franzen
