enfinity: Winston-Salem | Kernersville

Coaching Staff

Our coaching staff is the foundation and the driving force behind every swimmer’s experience and progress. Their knowledge, energy, and experience shape not only performance in the pool, but also confidence, character, and long-term development in our athletes.


For questions about training, meets, or team events, please contact your coach to schedule a time to connect before or after practice to allow coaches to fully focus on athletes in the water.

  • Tim Hillen | Winston-Salem Site Director

    Founder & Winston-Salem Site Director

    Joined EAC 2012


    Coaching Groups

    Black: Sigma

    Black: Delta

    Blue: Royal


    Coaching Background

    Tim founded Enfinity Aquatic Club in 2012 with a vision of creating a developmental swimming program that would help athletes of all ability levels reach their full potential. What began with just 12 swimmers has grown into an organization serving more than 500 athletes across the Triad.


    Over the past three decades, Tim has coached swimmers in Illinois, Minnesota, Wisconsin, and North Carolina. Throughout his career, he has helped athletes progress from beginner levels to Senior National competition and has guided numerous swimmers to collegiate swimming opportunities.


    Tim has coached more than 50 athletes to USA Swimming Junior National qualifying standards and has built a reputation for developing swimmers at every stage of their journey. In recognition of his success, he was selected to the USA Swimming National Team Coaching Staff for the 2018–2019 season.


    As Founder and Head Coach, Tim remains actively involved in athlete development across all levels of the program while leading the Sigma, Delta, and Royal training groups.


    Coaching Philosophy

    Tim believes that great coaching is about more than fast swimming. His goal is to help athletes develop discipline, resilience, and confidence while reaching their full potential both in and out of the pool. Success comes from consistent effort, a growth mindset, and creating an environment where every swimmer can thrive.


    When not on deck, Tim enjoys cycling, spending time with his wife Andrea, and hanging out with Gunnar and Quincy (golden retrievers).

  • Briley Penner | Kernersville Site Director

    Kernersville Site Director

    Head Age Group Coach

    Joined EAC 2025


    Coaching Groups

    Black: Delta

    Blue: Royal

    Blue: Marine


    Coaching Background

    ​B​riley began his coaching career in Uganda, East Africa, in 2014 and has been coaching swimmers throughout the Triad for more than a decade. Over the past 12 years, he has worked with athletes of all ages and abilities, helping them develop confidence, strong technique, and a lifelong love of swimming.


    Early in his aquatics career, ​B​riley served as Head Turn Judge at the 2014 CANA Zone 3/4 Championships, where he was trained by Olympic-level officials from the 2012 London Games. His experience in both coaching and officiating has given him a unique perspective on athlete development and competitive swimming.


    In 2016, ​B​riley guided the Forsyth Home Educators Women’s Swim Team to a state championship. He has also been selected multiple times to represent North Carolina Swimming at the state-level (USA Swimming Southern Zone Championships and Carolina Crown Challenge) working alongside the best coaches and swimmers in the state.


    Beyond the pool deck, ​Briley remains actively involved in the swimming community through service and leadership. He is a member of the North Carolina Swimming Coaches Committee and Age Group Committee, as well as the American Swimming Coaches Association (ASCA) Advocacy Committee.


    Coaching Philosophy

    Briley believes that life, like swimming, is about the process. Success doesn’t always come right away, and setbacks are often part of growth. His goal is to help athletes embrace challenges, learn from failure, and continue moving forward with confidence. One of the most rewarding parts of coaching for Briley is watching swimmers overcome their fears and achieve goals they once thought were beyond their reach.

  • Gunther Rodriguez Osorio

    Senior & Developmental Coach

    Aqua Farm Director

    Joined EAC 2017


    Coaching Groups

    Black: Sigma (KV)

    Blue: Marine (WS)

    Blue: Sky (KV, WS)


    Coaching Background

    Gunther joined Enfinity Aquatic Club in Winston-Salem in 2017 as an Assistant Coach before founding the Kernersville location in 2018. Since then, he has become a key leader within the program, helping guide swimmers from beginner levels to elite national standards.


    Over his coaching career, Gunther has led numerous athletes to Division I collegiate programs and most recently coached Jonathan Vogt to a US Open qualifying performance in the 200m breaststroke. He has coached in the Triad for more than nine years, with athletes qualifying for state championships, Junior Nationals, and the US Open Series.


    Before coaching in the US, Gunther trained at the National Swimming School in Havana and competed internationally for Cuba, representing his country at the 2000 Sydney Olympics in butterfly and individual medley events.


    Today, he continues to bring that same discipline, technical expertise, and passion for excellence to his coaching and leadership at Enfinity.


    Coaching Philosophy

    Gunther believes success comes from discipline, consistency, and embracing every challenge as an opportunity to improve. His goal is to help athletes build confidence, resilience, and a strong work ethic through the daily process of training. He takes the greatest pride in watching swimmers develop not only as competitors, but as individuals prepared for life beyond the pool.


  • Keri McDuffee

    Age Group & Developmental Coach

    Joined EAC 2024


    Coaching Groups

    Blue: Marine

    Black: Beta


    Coaching Background

    Keri brings more than 26 years of experience in aquatics and over a decade of coaching experience in New York and North Carolina. Throughout her career, she has worked with swimmers of all ages and abilities, from infants as young as six months old to adult learners and competitive athletes.


    At age 15, Keri became a certified lifeguard and swim instructor, beginning a lifelong passion for water safety and swim education. She spent more than 15 years teaching swim lessons before taking time away from the pool to raise her family. Her dedication to helping others develop confidence and lifelong skills in the water eventually brought her back to coaching and teaching.


    In addition to coaching, Keri is certified as a Lifeguarding Instructor (LGI) and CPR/First Aid Instructor. She has been recognized as a leader in aquatics education, including serving as a speaker at the United States Swim School Association (USSSA) Conference in 2024.


    As an Age Group and Developmental Coach, Keri is passionate about building strong foundations, fostering confidence, and helping swimmers discover a love for the sport that can last a lifetime.


    Coaching Philosophy

    Keri believes swimming is one of the most valuable life skills a person can learn. She strives to create a positive and encouraging environment where athletes feel supported, challenged, and confident in their abilities. Her goal is to help swimmers build confidence, develop strong character, and learn the value of hard work. Keri believes that when athletes enjoy the process, support one another, and focus on continuous improvement, success naturally follows both in and out of the pool.

  • Ross Moore

    Assistant Coach

    Joined EAC 2026


    Coaching Groups

    Lead Coach, Cadet and Summer Prep 

    Asst Coach, Marine and Masters 


    Coaching Background

    Coach Ross Moore brings more than 25 years of coaching experience, working with swimmers ages 4–18 at the summer league, USA Swimming, and high school levels.


    A former Division I collegiate swimmer at the College of Charleston and water polo player at Auburn University, Ross has dedicated his career to developing swimmers of all abilities. Throughout his coaching career, he has led teams to championship performances while helping lay the foundation for thousands of young athletes to build sound technique, confidence, and a lifelong love of the sport. His impact extends well beyond the pool, with at least 12 former swimmers continuing on to collegiate swimming, three qualifying for U.S. Olympic Trials, and two Olympians. 


    Originally from Montrose, Alabama, Ross moved to NC in 2007 after years of spending his vacations whitewater rafting and camping in the mountains. Before coaching full-time, he spent 10 years teaching middle school social studies and technology. Outside the pool, he enjoys history, oil painting, photography, and all sports. 



    Coaching Philosophy

    "I coach because I get a kick out of working with young people and love swimming."


    Ross believes every swimmer deserves a strong technical foundation and a positive environment where they can grow in confidence, character, and ability. His coaching emphasizes quality technique, consistent effort, and a genuine love for the sport. 

  • Mackenzie Steed

    Age Group Coach & Strength Training / Swim Lessons


    Coaching Groups

    Kernersville Site: Age Group Support/Developmental Groups 


    Coaching Background

    Mackenzie is a former Enfinity swimmer who is excited to return to the program at our Kernersville site as both a coach and swim lesson instructor. She will support multiple areas of the program, including on-deck coaching with our competitive and developmental groups, assisting with strength and conditioning sessions, and teaching swim lessons in the water.


    In addition to her coaching role, Mackenzie offers private swim lessons for athletes and families looking for individualized instruction and skill development in the water.


    As both a former athlete and current coach, she brings a strong understanding of the Enfinity culture and is passionate about helping swimmers grow in confidence, technique, and overall comfort in the water.


    Coaching Philosophy

    Mackenzie believes that strong swimmers are built through consistency, confidence, and a positive learning environment. Her goal is to meet athletes where they are, support their individual progress, and help them build both skill and enjoyment in the sport—whether in group practice, strength training, or one-on-one lessons.