Our Team

  • Sara Negrette serves as the Director of Fitness and Wellness, where she oversees fitness programming at the Dodge Fitness Center.

    Negrette holds a Master of Science degree in Applied Physiology and Nutrition from Columbia University’s Teachers College and a bachelor of science degree in Nutrition and Food Studies from New York University. In 2001, she earned an Associate Degree as a Fitness Specialist from San Diego City College in 2001.

    Negrette is certified by the American Council on Exercise (ACE) as a Personal Trainer since 2001.

  • Olivia Raxter supervises the Dodge Fitness Center, manages all aspects of Recreation Operations staff including the hiring, scheduling, student development, supervision, and payroll accounting. She also oversees fitness equipment inventory and maintenance. Before taking on the Director role, Raxter was the Assistant Director of Recreation Operations for Columbia Recreation, supporting the facility in it's day-to-day recreation operations.
    Prior to coming to Columbia, Raxter was at the University of Mississippi. During her time at Ole Miss, Raxter accumulated a variety of experience in recreational management as she served in three in different capacities including as an Adjunct Professor, Coordinator of Aquatics, and Graduate Assistant in Aquatics. At the end of her time at Ole Miss, the Student Affairs Department awarded Raxter with an “1848 pin,” which is a university award that recognizes her service going above and beyond for the student and university community. She also worked four years as a Club Sport Program Assistant as an undergrad at the University of Michigan.
    A Warren, Michigan native, Raxter earned a bachelor of arts degree in Biopsychology Cognition and Neuroscience from the University of Michigan in 2016. She went on to earn an M.S. in Sport and Recreation Administration from the University of Mississippi in 2018. She was also heavily involved on campus at both Ole Miss and Michigan in recreational and student affairs clubs and organizations. She is an active member of NIRSA, Leaders in Collegiate Recreation.

  • Lauren Dudziak was named Columbia University’s Coordinator of Intramurals, Club Sports and Camps in July 2017.

    Dudziak has spent the past two years as the Graduate Assistant of Campus Recreation, Recreational and Competitive Sports at the University of New Haven in Conn. She also received a Master of Business Administration degree with a concentration in Sport Management at the University of New Haven. Prior to graduate school, she spent two years as the Intern of Intramurals & Tournaments at the University of Connecticut in Storrs.

    Dudziak earned a bachelor’s degree from the University of Connecticut in 2013, where she began her officiating career. She is now an NCAA Women’s College Basketball Official.

    A native of Utica, N.Y., she is happy to be back in the Empire State.

  • Jeff Ryder began his role as Columbia University’s Director of Physical Education and Recreation Associate in Physical Education on September 1, 2017.

    "Jeff will be a wonderful addition to the Physical Education and Recreation staff,” Senior Associate Athletics Director Jacqueline Blackett said. “His background provides an opportunity for increased emphasis in recreation and general campus wellness." 

    Ryder arrives in Morningside Heights after spending the previous eight years with CENTERS, LLC at the University of New Haven in several different capacities including the Assistant Director for Student Development and Activities, the Interim Assistant Director of Fitness and Wellness and most recently as its Senior Assistant Director for Recreation and Competitive Sports. During his tenure, Ryder had full responsibility for operating budgets, developing marketing standards, staff recruitment, training and assessment, in addition to oversight of the fitness and wellness programs, intramural sports, club sports and open recreational programs.

    Ryder’s staff collaborated with campus partners on fitness and recreation initiatives. A member of several campus-wide committees, he has also worked closely with the University community by administering programming that focused on the University’s six core competencies: leadership, communication, resiliency, global and cultural awareness, critical thinking and teamwork.

    Prior to his tenure in New Haven, Ryder served as the Interim Coordinator of Intramural and Club Sports at Indiana University-South Bend. He also served nearly two years as a Graduate Assistant in the Campus Recreation department at Minnesota State University, Mankato (2006-08).

    A Medford, N.J. native, Ryder earned his bachelor’s degree in Environmental and Business Economics from Rutgers University in 2006. He went on to earn a Master of Arts degree in Sports Management from Minnesota State University, Mankato in 2008.

    He relocated to New York City with his wife Allison.

  • Brian Jines is in his 12th year as Columbia University’s Director of Intramurals and Club Sports. As part of his duties, Jines oversees Columbia’s intramural and club sports program, secures facility scheduling and coordinates Club Sport travel, develops rules and guidelines for participants and maintains program budgets.

    Prior to arriving at Morningside Heights, Jines served two years as the Assistant Director of Intramurals and Club Sports at Ferris State University in Big Rapids, Mich. (1999-2001).

    He graduated with a bachelor of science degree in Physical Education Teaching and Coaching from SUNY-Cortland in 1997 and later earned his master’s degree in Health Education in 1999.

  • Belgica Ramirez begins her 30th year as an administrative assistant with the Columbia University Physical Education Department. She was promoted from her former position in June 1989. Ramirez joined Columbia’s Department of Intercollegiate Athletics on April 20, 1987 as a coaches’ secretary for men’s & women’s swimming and diving, women’s volleyball, men’s and women’s tennis and women’s basketball.

  • A former Columbia softball standout, Anne Marie Skylis is in her fifth year as Columbia’s Director of Sports and Cubs Camp.

    It is her second stint at Columbia as Skylis also served as Columbia’s Athletic Facilities Student Manager from 2010-11 and as a Student Research Assistant in 2009. She also worked as a middle school teacher in the Providence Public Schools from 2011-13.

    Skylis earned a bachelor’s degree in Biology from Columbia College in 2011. She earned a Master of Arts degree in Applied Exercise Physiology from Teachers College of Columbia in 2017.

    An Ortonville, Mich., native, Skylis played four seasons on Columbia’s softball team as a catcher and outfielder. A four-year starter, Skylis hit .246 (114-464), scored 60 runs, hit three home runs and drove in 51 RBI in her career. She has the unique distinction of starting 190 consecutive games, including every game that she saw action in during her career from 2008-11.

  • Anastasiya oversees Dodge Fitness Center Memberships.

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