Facilities Engineering

Our Engineering team supports CUIMC’s building systems and campus utilities infrastructure, as well as capital projects and state-of-good-repair projects throughout the campus.

How are we doing? We care about your experience working with us. Let us know how we’ve done, what we did right, and what we can do better.

Need help contacting us? If you’re not sure whom to contact for assistance, please call the Customer Service Center at 212-305-HELP (4357), option 3, or email cumc.facilities@columbia.edu for guidance.

For urgent after-hours maintenance support in a research space, call 646-988-8409 and the Engineering supervisor on-call will be available to assist. 

Meet Our Team

  • James Thompsen

    Assistant Vice President, Facilities Engineering

    James Thompsen
  • Estefany Andino-Mendez

    Senior Project Engineer, Facilities Engineering

    Estefany Andino-Mendez joined Facilities Engineering as a senior project engineer in early 2019. Before joining the medical center, Estefany was a commissioning provider for eight years with a primary focus on healthcare facilities throughout the New York City and Long Island areas. She received a bachelor of engineering in facilities engineering from SUNY Maritime College.

      Office Address

      William Black Building
      650 W. 168th St., Room B-13
      New York, NY 10032


      • Certified Commissioning Professional
      • LEED AP BD+C
    • Alfred Arce

      Plant Superintendent, Facilities Engineering

      Alfred "Fred" Arce has devoted more than two decades of exceptional service to Columbia University Irving Medical Center. He currently serves as a plant superintendent for Facilities Engineering, a post he has held since 2005. In this role, he oversees the day-to-day engineering operations, including all mechanical, electrical, plumbing, and HVAC systems. Prior to becoming a plant superintendent, he worked as a painter and a licensed refrigeration engineer within the Facilities Engineering department.

      Before joining CUIMC, Fred spent 15 years working in all phases of construction.

      Office Address

      William Black Building
      650 W. 168th St., Room B-13
      New York, NY 10032

      Fred Arce
    • Delfin Cintron

      East Campus Building Manager, Facilities Engineering

      Delfin Cintron joined Facilities Engineering as the building manager for the east campus in the spring of 2017. Delfin is responsible for the day-to-day operations in the School of Nursing, Irving Cancer Research Center, Russ Berrie Medical Science Pavilion, Lasker Biomedical Research Building, 21 Audubon Ave., 51 Audubon Ave., Alianza, and the Edge Hotel. He oversees the management and maintenance of the cooling towers for the campus, and serves as the fire safety director for 51 Audubon Ave.

      For ten years, Delfin was senior director of Facilities at Democracy Prep Public Schools, and most recently was the operations engineering manager at American Express headquarters, where he managed the daily operations of a 2.3-million-square-foot Class A commercial office building. Delfin has more than 28 years of experience in facilities and operations management.

      Office Address

      51 Audubon Ave., Room 5-506
      New York, NY 10032


      • Certified Facilities Manager, International Facility Management Association, 2010
      • Facilities Management Professional, International Facility Management Association, 2010
      • LEED Green Associate, 2016
      • FDNY Certificate of Fitness F-85, Fire Safety Director with Active Shooter and Medical Emergency Preparedness


      • Member, International Facility Management Association
      • Member, Building Owners and Managers Association
      Delfin Cintron
    • Anton Dedvukaj

      West Campus Building Manager, Facilities Engineering

      Anton Dedvukaj supervises the engineers who support the west campus, including the Roy and Diana Vagelos Education Center, Allan Rosenfield Building, Hammer Health Sciences Center, and 600 West 168th St. He also serves as the fire safety director for the Vagelos Education Center.

      Known for his commitment to providing exemplary customer service, Anton works diligently with his team to ensure maximum comfort for building occupants. Furthermore, he collaborates with members of the Dean’s Advisory Committee, which includes deans and students from the four schools, to plan for and successfully implement projects.

      Before joining CUIMC in 2016, he managed a 235-unit co-op on the Upper East Side; a smaller 100-unit co-op on the Upper West Side; and served as a landlord to three rent-stabilized buildings in the Bronx, where he spent part of his childhood.

      Anton's hobbies include building art for exhibition, including musical instruments and motorcycles. He is proud of his family's deep connections to the health care field, from his wife, a medical bookkeeper, to his three children, who are all either currently enrolled or soon-to-be enrolled in medical school.

      Office Address

      Roy and Diana Vagelos Education Center, Room 104B
      104 Haven Ave.
      New York, NY 10037


      • New York City Fire Department Certificates of Fitness: F-85 Certificates of Fitness as Fire Safety Director with Active Shooter and Medical Emergency Preparedness
      Anton Dedvukaj
    • Roger Giusti

      Director of Engineering Operations, Facilities Engineering

      Roger Giusti joined Columbia University Irving Medical Center as the director of Engineering Operations in 2014. He is primarily responsible for managing the day-to-day engineering and maintenance operations for the entire campus. He oversees supervisors and unionized staff who perform the ongoing maintenance and upkeep of approximately three million square feet of space.

      Before coming to CUIMC, Roger was the director of engineering for St. Luke's-Roosevelt Hospital, where he was responsible for a 505-bed facility and two satellite buildings, including a 100,000-square-foot research facility and ambulatory day surgery center.

      Office Address

      William Black Building
      650 W. 168th St., B-13
      New York, NY 10032

      Roger Giusti
    • John Kakleas, PE

      Senior Project Engineer, Facilities Engineering

      John Kakleas manages infrastructure construction projects related to mechanical, electrical, plumbing, and control systems—from design through turnover—at Columbia University Irving Medical Center. He also manages commissioning across all capital projects. Furthermore, John provides technical support for construction projects, engineering projects, and anything related to the daily operation and construction of building controls.

      After serving as project engineer since 2014, John was promoted to senior project engineer in late 2018. Before joining CUIMC, John spent six years at a commissioning and consulting company, starting as a field engineer and eventually leaving as a senior project engineer. Some of his work included testing the mechanical, electrical, plumbing systems for the National September 11 Memorial & Museum and testing the emergency power systems at the United Nations. Through high school and college, John worked alongside his father as a carpenter, building custom furniture. He received a BS in mechanical engineering from Polytechnic University.

      Office Address

      William Black Building
      650 W. 168th St., Room B-08
      New York, NY 10037

    • John Ramos

      Assistant Plant Superintendent, Facilities Engineering

      John Ramos directs a multi-shift union workforce of 30 mechanics and 21 engineers in the day-to-day maintenance, repairs, and preventive maintenance operations for all mechanical, electrical, and plumbing systems at Columbia University Irving Medical Center. He conducts weekly payroll, provides customer service, and schedules work orders and service requests. As essential personnel, he plays an integral role in the emergency response team.

      A family man with five children, John previously worked for the New York City Department of Education for 18 years in various positions, including cleaner, handyman, and building manager. He joined CUIMC in September 2016.

      Office Address

      William Black Building
      650 W. 168th St., Room B-02
      New York, NY 10032

      Certifications and Additional Training

      • 2018 University System of Georgia Kennesaw State - Six Sigma and the Organization (Advanced)
      • 2017 Columbia University - Construction Project Management Certificate
      • 2017 Georgia Institute of  Technology - Introduction to Mechanical Engineering Certificate
      • Certificate of Fitness Q99 Refrigeration Machine Operating Engineer  
      • Certificate of Fitness P99 Operation for Low Pressure Boiler
      • Certificate of Fitness G35 to Operate Air Compressors
      • Certificate of Fitness S95 in Supervision of Fire Alarm Systems
      • Certificate of Fitness S12 Citywide Sprinkler Systems
      • Certificate of Fitness S13 Citywide Standpipe Systems /
      • Certificate of Fitness S14 Standpipe For Multi Zone System
      • Certificate of Fitness F1 Citywide Fireguard for Impairment
      • Certified as a UNIVERSAL Technician EPA CFC By NAPE
      • Department of Environmental Protection Air Pollution Certificate
      • OSHA 30-Hour Construction Trade
      • OSHA 10-Hour General Industry
      • Member, National Association of Power Engineers
      John Ramos
    • Madeline Segarra

      Engineering Analyst, Facilities Engineering

      Since joining the Engineering team in 2014, Madeline Segarra has played a pivotal role in supporting the director of Engineering Operations and the associate director of Energy Management and Sustainability. She oversees the matrix, workflow, and design of the work order system for the team and tracks, logs, and reports all energy and sustainability data. She also helped implement a new work order system for the Columbia University Irving Medical Center community to use when submitting work requests.

      Before coming to CUIMC, Madeline worked as an executive assistant at Merrill Corporation to the sales, marketing, communications, and compliance divisions.

      Office Address

      William Black Building
      650 W. 168th St., Room B-02
      New York, NY 10032

      Madeline Segarra
    • Jennifer Tsai

      Executive Assistant to Jim Thompsen and Diana Mejia

      Office Address

      William Black Building
      650 W. 168th St., Room B-07
      New York, New York 10032

    • Indrajeet “Jeet” Viswanathan

      Director of Energy Management and Sustainability, Facilities Engineering

      Indrajeet “Jeet” Viswanathan joined Columbia University Irving Medical Center as the director of energy management and sustainability in early 2019. Jeet is responsible for procuring energy, monitoring and reducing campus-wide energy use, and developing and implementing sustainability and energy efficiency programs at CUIMC. His primary focus is to ensure that the medical center reaches our carbon emission reduction goals.

      Before joining CUIMC, Jeet worked on several energy efficiency projects at a school district in Alexandria, Va., and with multiple commercial property owners in Washington, DC. His past energy efficiency projects have won his organizations a Washington, DC mayor’s award; a Virginia state award; and two national awards.

      Jeet is currently a reservist in the United States military and a national advisory council member at the School of Engineering and Applied Sciences at the George Washington University in Washington, DC.


      • Certified Energy Manager, Association of Energy Engineers
      • Leadership in Energy and Environmental Design Accredited Professional (Operations and Maintenance), United States Green Building Council

      Office Address

      William Black Building
      650 W. 168th St., Room B-02
      New York, NY 10032

      Indrajeet Viswanathan