Ira Machowsky, Founder & CEO

Ira has a diverse leadership career spanning almost forty years in the social impact sector, executive search, HR and management consulting fields. He has extensive knowledge in the areas of workforce development, human resources, healthcare and human services. Ira spent 35 years in several senior executive leadership positions with FEGS Health and Human Services, one of the largest nonprofit organizations in the country, serving as its Chief Administrative and Human Resource Officer for over 20 years and and then Executive Vice President overseeing all operations of the organization. He was a Senior Consultant and Interim Executive Vice President/COO for a national recruiting and staffing firm supporting nonprofits in New York and across the country prior to founding ACEUM Advisors & Search in 2015. Through his firm, in addition to working on numerous C-suite and executive leadership searches for a diverse array of social impact organizations, Ira has been called upon to assume several "interim" C-suite HR and operations roles. He has served on a number of nonprofit Boards and Committees and has lectured at the NYU Stern School of Business, Columbia University Business School and professional conferences around the country in the areas of nonprofit leadership, staffing, HR strategy, technology and social innovation. Ira holds a Master’s Degree in Human Resources from the Milano School of Management at the New School and a Bachelor’s Degree in Urban Affairs and Policy Analysis from Queen College. imachowsky@aceum.com

Senior Associates & Senior Consultants

Heather Bivens, Senior Search Associate

Heather Bivens is a highly accomplished nonprofit administrator with over twenty years experience working as a Clinician, Manager and Senior Administrator in the community healthcare industry with a special expertise in the areas of program design and development, quality assurance, compliance, assessment and staffing. She has held senior positions for several major nonprofit organizations in diverse settings in City and State government in Boston, Washington DC and New York. As a Senior Search Associate, Heather has collaborated with many social impact organizations and has been instrumental in assessing HR talent strategy and building effective recruitment programs to attract superior leadership and skilled professionals to fill a diverse range of roles. Heather holds a Masters degree in Psychology from American University and a BA in Psychology from George Mason University.

Rae Linefsky, Senior Consultant

Rae is a highly accomplished nonprofit and public sector executive with more than four decades’ leadership experience. In the public sector, Rae served as First Deputy Commissioner and Commissioner (Acting) of the NYC Human Resources Administration.She has been CEO, Interim Executive Director and Senior Executive for a number of prominent nonprofit organizations in New York, Boston and Philadelphia including: the YWCA of NYC; Sailors Snug Harbor Trustees of the City of NY; NYANA; FEGS Health and Human Services; and Court Employment Project (now CASES). As a Senior Consultant Rae has been instrumental in helping to plan and establish several new nonprofit organizations, leading organizational assessment and design work and serving as a highly trusted advisor and executive leadership coach to numerous Executive Directors and nonprofit leaders. Rae is a fierce and compassionate advocate for issues related to workforce development, youth development, education and criminal justice. She is a distinguished expert and consultant in the areas of program planning and design, executive coaching, growth strategy, nonprofit organizational leadership and public policy impacting a broad range of human service issues. She has served on numerous nonprofit boards, was a Mayoral appointee to the NYC Workforce Investment Board for 13 years, is a member of DYCD’s Youth Council and has been a guest lecturer at many universities, conferences and seminars. Rae holds a Master’s Degree in Adult Education and a Bachelor’s Degree in Journalism from Boston University.

Jane Orenstein, Senior Consultant

Jane has woven a 30-year career spanning the private, nonprofit and government sectors. In the private sector, she specialized in strategic planning, marketing, real estate leasing and development, and project management for The Rockefeller Group, Footlocker, and Ark Restaurants and spearheaded many large-scale projects including the restoration of the Rainbow Room. Jane joined the United Way of NYC in September 2001. After helping administer the $500 Million September 11th Fund she became Vice President, Policy and Planning and finally Senior Vice President, Administration with responsibility for human resources and board relations. Jane has additionally served as Chief of Staff and Deputy Commissioner for Strategic Planning. Policy and Communications with the NYC Department of Housing Preservation & Development and Director of Global Operations for the Conference on Jewish Material Claims against Germany. In this latter role she oversaw claims processing, technology, human resources, Holocaust Survivor Services, payment operations and archive and record retention in offices on three continents. Jane earned her BA in Philosophy at Yale and an MBA at Harvard Business School. She has served on numerous nonprofit boards including Books for Kids Foundation and the Yale Alumni Fund and consults with the Harvard Business School Community Partners.