Leadership / Board
Our consultants and Board are key to our Value Proposition.  As former CEO’s, CFO’s and other Senior Managers, our Board and consultants possess vast experience in all functional areas of business, including finance, branding, recruiting, marketing, organizational development, and fundraising.  In addition, our consultants are adept at applying their experience to the nonprofit sector, where we know business and process can be more challenging.
Melanie Hillenbrand

Melanie Hillenbrand

President and CEO, Senior Consultant

Melanie Hillenbrand has a passion to help organizations build the capacity of leaders to drive success. She brings strong skills in Leadership Development, Succession Planning, Talent Acquisition Executive Coaching, Team Building, Organization Development and Career Development.  Before leading her own consulting firm focused on executive development , Melanie held senior level leadership and organizational development positions at Mercer HR, one of the world’s premier HR consulting firms; KPMG, one of the Big Four Accounting Firms;  and Bellevue Hospital, the oldest and largest public hospital in the country. She also served at CNA Insurance and with the Blue Cross/Blue Shield Association.

She has received recognition for two major innovative initiatives which have been judged as “best-in –class.” The first was development of a Business School for over 600 partners and managers to help them develop leading edge skills in consulting to their Health and Life Science business sector.  The other was creation of a Global Career Development program for the 15,000 consultants of an international HR consulting firm.

She has a strong track record of building teams that get results, notably successfully managing a national interdisciplinary team of over 100 professionals tasked with realigning a 12,000 person organization.  Melanie has particular expertise in functional start-ups and turnarounds, in one case enhancing employee satisfaction by over 200% while increasing product offerings and reducing costs by over 30%. She has also been a pioneer and facilitator of 360 degree feedback systems, as well as assessment tools such as MBTI,  DISc and several other well known tools.

BA from Boston University and an MBA from DePaul University.

David R. Sanchez

David R. Sanchez

Chairman of the Board

Mr. David R Sanchez is the Founder and CEO of Singular Global based in South Florida since 2005. Mr. Sanchez has specialized in hedge funds since 1989 and was a pioneer in alternative investments and members of the Singular Global team are registered with Zanbato Securities LLC.  Mr. Sanchez and his team have a client base in the US, Latin America, Europe, South Africa and India.

From 1999 to 2005, Mr. Sanchez was President of Sanchez Global Advisors, LLC based in Beverly Hills. Between 1994 and 1999, he was a Managing Director and International Financial Advisor to high net worth individuals, financial institutions and fund of funds at Bear Stearns & Company in Los Angeles. From 1988 to 1994, Mr. Sanchez was Vice President at Merrill Lynch International in Beverly Hills as an International Financial Advisor and was an Eagle and Chairman’s Club member. From 1986 to 1988, he headed the Mergers & Acquisitions Department for Latin America as Vice President of Bankers Trust Company in NYC and from 1983 to 1986, was an Assistant Treasurer in NYC with JP Morgan in the M&A/Financial Advisory Department. Mr. Sanchez graduated from Yale University with an M.A. with Honors and a M. Phil in Political Science. Mr. Sanchez was a Fulbright Fellow, a Ford Foundation Fellow, a Tinker Fellow and a Yale Fellow while attending Yale University and served on the AYA Board of Governors.

Marvin Berenblum joined National Executive Service Corps serving the tri-state New York area in June 2003 as President and Chief Executive Officer, becoming Chairman and CEO in June 2005. In December 2012, he stepped down as Board Chair, but remained CEO Emeritus. He spends part of the year in Florida and was instrumental in establishing the National Executive Service Corps – South Florida organization.

He came to NESC after 14 years with the search firm of Heidrick & Struggles, where he was Area Managing Partner with oversight for the New York, Wall Street, Philadelphia and Greenwich offices. Prior to joining Heidrick & Struggles in 1989, he served as Senior Vice President for Human Resources and as a member of the Operating Committee of the media company Knight Ridder, Inc. In his earlier career, Mr. Berenblum was associated with Continental Grain Company as Senior Vice President for Human Resources and as a member of its Board of Directors.

Mr. Berenblum graduated from Yale University with a BA degree in American Studies, and received a Master’s degree in Industrial and Labor Relations from Cornell University. He also completed the Advanced Management program at Harvard Business School.

Marvin Berenblum

Marvin Berenblum

Board Member
Hanna Fink

Hanna Fink

Board Member

Hanna Fink is a results/team oriented executive with extensive nonprofit sector experience in problem solving and leading and managing people, programs, and facilities in highly complex and diversified organizations. Ms. Fink has spent the past 25 years working in the South Florida community for a national health and social service organization. Having invigorated the volunteer base, she orchestrated one of the largest walk-a-thons in the U.S. along with being responsible for planned giving, major gifts, and numerous special events,. Ms Fink’s ability to lead and manage while developing relationships with key stakeholders in the community has been critical to her success.

Previously Ms. Fink was the Executive in a multi disciplined full service Community Center serving 7,500 individuals and a local development corporation in an historic neighborhood. She recently completed a comprehensive course through the Society of Certified Senior Advisors (SCSA) earning the designation of Certified Senior Advisor (CSA)®, The SCSA is an international organization that has trained more than 30,000 professionals to meet the changing needs of a growing senior population. Currently involved in the Long-Term Care Ombudsman Program with the Florida Department of Elder Affairs, serving as an advocate for seniors and populations who are unable to advocate for themselves.

M.S.W. Wurzweiler School of Social Work-Yeshiva University, New York, and an M.B.A. from Pace University, New York.

Patricia Du Mont, Board Member

Patricia Du Mont is President of Manadu Corporation, a group of highly successful business professionals with many years of planning, operational, management and consulting experience in a wide variety of service and manufacturing organizations worldwide. Manadu assists businesses by maximizing the productive use of all their resources: people, materials, equipment, facilities, and working capital, bringing new attitudes and insights in the design and installation of management control systems.

Her community involvement includes Greater Fort Lauderdale Chamber of Commerce (past chair), AvMed Health Plan/ Broward Advisory Council, Regent Bank/ Broward Advisory Board, Navy League of the United States/ National Executive Committee, National Director, past service on National Finance Committee and National VP Legislative Affairs.  Volunteer recognition includes Department of the Navy Meritorious Public Service Award, induction in the Broward County Women’s Hall of Fame, Chamber of Commerce Outstanding Leadership Award (2 years), Chamber of Commerce International Business Achievement Award, Leadership Broward Foundation “Profiles in Leadership” Award, Women’s Council of Commerce Circle of Excellence Life Achievement Award.  Native American, and a voting member of Chickasaw Indian Nation.  She resides in Fort Lauderdale.