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Mark Osiecki will serve as head coach of the 2015 U.S. National Junior Team. A three-time assistant coach for the U.S. National Junior Team, Osiecki helped Team USA capture gold medals in 2010 and 2013, plus a bronze medal in 2011.

Osiecki has served on a variety of coaching staffs for U.S. National Teams. In 2000, he was head coach of the U.S. Under-18 Select Team that placed second at the Ivan Hlinka Memorial Tournament. He led the U.S. Junior Select Team to a first-place finish at the 1999 Freedom Challenge. He was an assistant coach for the 1999 U.S. Under-18 Select Team that finished second at the Ivan Hlinka Memorial Tournament. Osiecki also served as video coordinator for the 2006 U.S. Men's National Team at the IIHF Men's World Championship.

Currently, Osiecki is in his second season as an associate coach for the American Hockey League’s Rockford IceHogs.

From 2010-13, Osiecki was head coach of the Ohio State University men’s ice hockey team. He served as an assistant coach for the University of Wisconsin men’s ice hockey team from 2004-10, helping the Badgers to the 2006 NCAA national title and the 2010 NCAA national championship game.

From 1997-2004, Osiecki was the general manager and head coach of the United States Hockey League’s Green Bay Gamblers. The Gamblers won four straight division titles (1999-2002) and won the Clark Cup in 2000. Osiecki was named the USHL Coach of the Year in 1999.

The former University of Wisconsin defenseman (1987-90) served as an alternate captain for the 1990 NCAA national championship team. He played two seasons in the National Hockey League (1991-93) with the Calgary Flames, Ottawa Senators, Winnipeg Jets and the Minnesota North Stars. He also competed for the U.S. at the 1992 IIHF Men’s World Championship in Prague, Czech Republic.

Hannah Oganeku currently serves as the USA Hockey Women's Department intern for the 2018-19 season. As such, Oganeku supports all women's program events and initiatives, including the 2018 USA Hockey Women's National Festival in Lake Placid, N.Y. 

She was recently named an assistant coach at St. Norbert College in De Pere, Wis.,

In 2018, she graduated from Trinity College in Hartford, Conn., where she played varsity hockey and served as team captain in her senior year.

Nick Oliver, who helped guide Team USA to a second-place finish at the 2022 Five Nations Tournament and a third-place effort at the 2019 World Junior A Challenge, is serving as an assistant coach for the U.S. Under-18 Men's Select Team for the first time.

Set to begin his first season as an assistant men’s ice hockey coach at the University of Wisconsin in 2023-24, Oliver spent the 2022-23 campaign as head coach of the USHL's Fargo Force. He led the team to its first Anderson Cup as USHL regular-season champion and earned honors as USHL Coach of the Year.

Prior to his time in North Dakota, he spent four years (2018-22) as an assistant men’s ice hockey coach at St. Cloud State University, where he helped the Huskies to their first-ever NCAA national championship game appearance in 2021 and to the Penrose Cup as NCHC regular-season champions in 2018-19. The Wannaska, Minnesota, native, played collegiately at St. Cloud State (2011-15) and has served as a USA Hockey National Player Development Camp coach on multiple occasions.

Kelley Olsen currently serves as USA Hockey’s manager of international hockey and is part of the support staff for the U.S. Youth Olympic Men’s Hockey Team for the first time in 2024. 

Olsen coordinates USA Hockey teams for international competitions, handling logistics like travel, housing, meals, and player eligibility. She also acts as a liaison with entities such as the International Ice Hockey Federation, member national associations, the U.S. Anti-Doping Agency, and the United States Olympic and Paralympic Committee.

A native of Somers, Connecticut, Olsen came to USA Hockey bringing notable experience from her time at the United States Olympic and Paralympic Committee, including working at the 2008 Olympic and Paralympic Games in Beijing, China. 

Olsen earned the USA Hockey President's Award in June 2018.

Dr. Michael O'Malley is serving as team physician for the U.S. Men's National Team at the IIHF Men's World Championship for the first time in 2024.

Michael O'Malley, M.D., M.S., FAAOS received his B.A. degree in Economics from Colgate University where he was a member of their hockey program. After graduation, he continued to play professional hockey at the minor league level in both the East Coast Hockey League and Central Hockey League. He then decided to pursue a career in medicine, completing both a post-baccalaureate premedical program and a Master's degree in Healthcare Management Systems at Duquesne University. He received his Doctorate of Medicine from Temple University, where he was inducted into the Alpha Omega Alpha Society and graduated with honors. He was also awarded the prestigious John W. Lachman Orthopaedic Award. 

Dr. O'Malley completed his orthopedic residency training at the University of Connecticut Health Center, where he received the Cavazos Award, which is "given yearly to the person who most closely exemplifies an outstanding, well rounded resident, mentor, and role model." He then completed subspecialty fellowship training in sports medicine at the Mayo Clinic. While at the Mayo Clinic, he served as a team physician for both the Minnesota Timberwolves and the Minnesota Twins. He continues to serve as a team physician for USA Hockey. 

Prior to arriving in Roanoke, Dr. O'Malley was in private practice in Portland, Maine, where he continued to serve athletes at the high school, collegiate, and professional levels, including Bowdoin College Athletics and the Maine Mariners of the East Coast Hockey League.  He currently serves as team physician for Hidden Valley High School, Ferrum College, and a contributing physician for the Roanoke Rail Yard Dawgs of the Southern Professional Hockey League.

Dr. O'Malley's interests include minimally invasive arthroscopic surgical techniques for complex injuries of the knee, shoulder, and elbow, as well as general fracture care and joint replacement of the shoulder. Particular areas of interest include multiligamentous knee injuries, cartilage injuries with a focus on joint preservation, orthobiologics and regenerative medicine, lower extremity corrective osteotomy, rotator cuff disease, and shoulder instability. He has been involved in numerous journal and textbook publications on several topics in orthopedic surgery and sports medicine. He is a member of the American Academy of Orthopaedic Surgeons (AAOS), the Arthroscopy Association of North America (AANA), the American Orthopaedic Society for Sports Medicine (AOSSM), the American Orthopaedic Association (AOA) Emerging Leaders Program, and the Virginia Orthopaedic Society (VOS). He is currently an active member of the AAOS Board of Counsilors, and serves on the board for the VOS.