President and Chief Executive Officer

Karen Rubel currently serves as the President and Chief Executive Officer at Nathan Adelson Hospice. She joined the organization in 2007 as the Vice President for Development. She has extensive experience in major gifts fundraising and building development programs, along with strong leadership skills and strategic planning abilities. 

Chief Compliance Officer

Jafeh’s journey in healthcare started with a medical degree (MBBS) from Nigeria. As a lifelong learner, he has always been drawn to understanding how health systems work best for communities and how to move healthcare organizations from good to best.

Vice President of Employee & Volunteer Solutions

Rosamari McNulty is pleased to serve as Vice President of Employee & Volunteer Solutions for Nathan Adelson Hospice.  She has over 20 years of experience of increasingly complex responsibilities in the human resources field.

Executive Director

Caleen Johnson, CFRE, serves as the Executive Director of the Nathan Adelson Hospice Foundation. Ms. Johnson is a seasoned and passionate leader, able to inspire organizations to achieve and surpass their goals. She is well known for her ability to cultivate lasting relationships with donors, business and community leaders, internal colleagues, volunteers, and board members.

Chief Nursing Officer

Angela Collins, RN, MBA, serves as the Chief Nursing Officer for Nathan Adelson Hospice. She is responsible for leading and supervising all nursing operations and business development of the nonprofit hospice, implementing the organization’s strategic plans and maintaining compliance with regulations of accrediting bodies.

Chief Financial Officer

Liz Vandenberg serves as the Chief Financial Officer for Nathan Adelson Hospice. She has over 20 years of experience as a results-oriented leader, focused on fostering collaborative relationships, building effective teams, and delivering strong financial results. Ms. Vandenberg is originally from Venezuela and moved to the US in 1987 to pursue a graduate degree. She has two children, Alexander and Victoria, and she enjoys traveling, indoor cycling and pilates training.