Mr. Nick York is the former Director of Human Development and Economic Management at the the Independent Evaluation Group of the World Bank where he oversaw evaluations of country programs and economic management, as well as corporate evaluations and global partnerships. Prior to his role with the World Bank, Mr. York was Chief Professional Officer for evaluation at the UK Department for International Development (DFID), which he joined in 2004 to work on country program evaluations.  His team was responsible for the independent evaluation of the DFID's major policies and programs and developing the evaluation function on institutional capacity and quality.  In 2006-07, Mr. York chaired the steering group for the multi-donor evaluation of budget support. For 10 years, Nick York served as a macroeconomist and advised the UK government on health systems and quality. He also chaired the OECD Development Assistance Committee's evaluation network and helped to set up the organization 3ie.  

Nicholas David York 
Governance and Evaluation 


Helga Luest is a senior manager of communications with the Abt Associates where she is the Managing Editor of SAMHSA News for the U.S. Department of Health and Human Services and the Project Director of the National Bullying Prevention Initiative. Prior to her work with the Abt, she ran a national nonprofit that she founded to address violence and psychological trauma. She is an expert on behavioral health issues, child abuse and neglect, criminal justice, family and domestic violence, and trauma-informed support. In 2016 Helga was appointed to the Maryland Governor’s Family Violence Council. She also serves on the U.S. Congressional Victims’ Rights Caucus Advisory Group. In 2010 she was awarded the Congressional Unsung Hero Award for her effective advocacy work on violence prevention and response.

Helga Luest, M.A.
Trauma and Violence Prevention and Response 

Helga’s passion for this work stems from her own experience as a survivor of an attempted murder in 1993, and more recently, domestic violence. Outside of work, Helga facilitates a community art collaboration that is proving to build personal and community resilience. Ms. Luest is a distance runner having completed many marathons. She also coaches youth basketball and is the mother of teenage twins.

Dr. Kogan’s commitment to the importance of integrating different healing modalities with the mainstream western medicine, has led him to become a Founding Board Member of the American Board of Integrative Medicine, and a faculty member of the GWH Institute for Spirituality and Health and the Center for Aging, Health and Humanities. In November 2013, Drexel Magazine mentioned Mikhail Kogan in its “40 Under 40 Alumni” list, as “one of a few of the bright, innovative, entrepreneurial minds who are making their mark on the world.” Dr. Kogan’s other areas of expertise include craniosacral therapy, nutrition, vitamins, functional medicine, botanicals and other alternative modalities. 

Dr. Mikhail Kogan is the Medical Director of the George Washington Hospital (GWH) Center for Integrative Medicine. He has a medical degree from the Drexel University College of Medicine with a track in Primary Care and Social Medicine. Dr. Kogan completed his residency in Internal Medicine at Montefiore Medical Center in NY, and a Fellowship in Geriatric Medicine at GWH Medical Center in Washington, D.C. He is currently an Assistant Professor of Medicine in the Division of Geriatrics and Palliative Care at the GWH, also carrying a multiple of research and teaching responsibilities.  In addition to his formal training in conventional medicine, Dr. Kogan had pursued alternative healing arts and practices that have shaped his approach to the patient care. Dr. Kogan is a graduate of the Suluk Academy where he learned the principles and traditions of Sufism, and how to incorporate the meditation, mindfulness and different spiritual practices in his work with patients, and his daily life.

Holistic Medicine and Integrative Care 
Dr. Mikhail Kogan