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Nexus Executive Leadership:
Combined Excellence and Expertise


Brock Wolff, President & Chief Executive Officer

Before joining Nexus, Mr. Wolff served from 2004 through 2012 as President and CEO of Orchard Place, a large children's mental health provider located in Des Moines, Iowa. Over the course of his eight years leading Orchard Place, the organization expanded services from just over 5,000 children and families served each year to nearly 10,000, and grew from a $14 million annual budget to a more than $19 million budget. He also helped establish a foundation ensuring the long-term stability of the organization, and worked with the Iowa legislature to advance the cause of children's mental health.

Prior to Orchard Place, Mr. Wolff served for nearly 5 years as the CEO of Family Resource Centers in Lima, Ohio. He also served as the Executive Director for Vantage Health Plan in Sandusky, Ohio, a physician-owned managed health care plan, and from 1993-1999, worked in a variety of capacities at Southeastern Mental Health Center in Sioux Falls, South Dakota. His responsibilities ranged from Risk Management Coordination to Human Resource Director, operating a divorce/custody mediation program and directing a large children's residential program. Mr. Wolff also worked as a Tribal Prosecutor for the Flandreau Santee Sioux Tribe in Flandreau, South Dakota.

Mr. Wolff earned his Bachelor of Arts degree and law degree from the University of South Dakota in Vermillion South Dakota.


Hilke S. Riechardt-Martinez, Chief Financial Officer & Vice President of Finance

Ms. Riechardt-Martinez joined Nexus as Vice President of Finance and Chief Financial Officer in January 2017. In this role, she is responsible for developing, implementing, and auditing compliance with all financial policies and procedures, assuring Nexus' compliance with all contract, state, and federal standards and regulations, and developing, implementing, and managing final review of site and consolidated operating and capital budgets.

She has extensive expertise in nonprofit healthcare, including assisted living and residential treatment, and a proven track record of strong financial leadership; supporting growth, generating cost savings, and improving operational effectiveness.

Before joining Nexus, Riechardt-Martinez served as Senior Director, Finance and Administration/CFO for Touchstone Mental Health, Minneapolis, Minn.; Director Global Customer Master Data, and Financial Manager, Institutional and Healthcare Divisions, Shared Services for Ecolab, Inc., Egan and St. Paul, Minn,; Manager, Corporate Financial Planning and Analysis for Land O’Lakes, Inc., Arden Hills, Minn.; and Internal Auditor, Operational Accountant, Financial Analyst, Pricing/Contract Analyst for 3M and Imation, Oakdale, Minn.

Ms. Riechardt-Martinez has a Master of Business Administration from the University of Minnesota, Carlson School of Management, and a Bachelor of Business Administration from the University of Texas at Austin. She is also a Certified Public Accountant (CPA), Certified in Financial Management (CFM), and Certified Management Accountant (CMA).


Jennifer McIntosh, Vice President of Human Resources

Jennifer McIntosh joined Nexus in 2012 as the Director of Human Resources and was promoted to Vice President of Human Resources in May 2016. In this capacity, she is responsible for developing, implementing, and monitoring the effectiveness of Nexus Human Resources policies and procedures throughout the organization. Ms. McIntosh is also responsible for ensuring Nexus’ compliance with federal, state, and licensing compliance areas relating to employment law, as well as monitoring the methods, effectiveness, and compliance of recruitment practices across all Nexus sites.

Ms. McIntosh has more than 18 years of HR experience, and has held a leadership role since 2001. She was employed in the manufacturing and distribution industries before finding her niche in the non-profit industry with Nexus, where she has found the ideal balance of business and mission.

Ms. McIntosh earned both her Masters and Bachelors of Arts Degrees in Human Resources Management at Concordia University, in St. Paul, Minnesota.


Michelle Murray, Vice President of Clinical Operations

Dr. Michelle K. Murray joined Nexus in 2010 as the Director of Clinical Services, and was promoted to Vice President of Clinical Services in 2015. In this capacity, Murray is responsible for establishing consistency in clinical services, as well as providing support, consultation, and setting the clinical direction for all services and programming across the Nexus continuum. Murray is also responsible for the onboarding and development of new clinical services, providing leadership to Nexus’ Continuous Quality Improvement (CQI) endeavors, and ensuring ongoing training and development of clinical staff.

In her previous position as Nexus Director of Clinical Services, Murray assisted with the oversight of Nexus programming across the continuum and provided professional expertise to the successful implementation of the Nexus’ Family Partnership Initiative and trauma-informed practices. Dr. Murray was also in charge of coordinating Nexus’ COA accreditation process and providing oversight to CQI before a Director of CQI and Research was established at the organization.

Dr. Murray has 19 years of experience in the field. Before joining Nexus, she worked for Adelphoi Village/Northern Tier Children’s Home as the Director of a 62-bed residential treatment facility that served both male and female youth with co-occurring mental health issues and sexually harmful behaviors. Other programs under her leadership included foster care, shelter/diagnostic assessment services, group homes, independent living services, and community-based psycho-sexual assessments. She also held positions as Clinical Director, Director of Residential Services, and Family Therapist with Adelphoi.

Dr. Murray is a licensed Marriage & Family Therapist and an Approved Clinical Supervisor through the American Association of Marriage and Family Therapy. She received her Master’s and Doctoral degrees in Marriage and Family Therapy at Syracuse University.


Jack Ewing, Vice President of Business Development & Marketing

Mr. Ewing has served start-up organizations as well as organizations in transition, in non-profit service and proprietary health/mental health sectors.

In the for-profit arena, he served as
  • President, Mariner Hospital Services Group, a hospital-based skilled nursing contract management company (developed 32 contracts and acquired a similar company, adding 12 contracts);
  • Senior Vice President, Cornerstone Health Management (a start up with more than 60 contacts under his supervision);
  • Senior Product Line Manager (behavioral health), Baylor University Medical Center, Dallas, Texas;
  • Program Manager for two hospital-based behavioral health programs (Horizon Health Corporation); and,
  • Treatment Director, Brookwood Lodge, a regional corporation specializing in the treatment of chemical dependency.

In 2001, seeking more mission-driven responsibilities, Jack moved into the non-profit arena. Highlights include

Vice President Business Development and Marketing for Nexus (Minneapolis, MN) providing leadership in the growth of Nexus, redeveloping and deploying its website (www.nexustreatment.org), and developing a national marketing campaign since 2009;

  • Associate Vice President, Lutheran Social Services of the South (Austin, TX) providing development, leadership, and oversight of multiple foster care and adoption offices;
  • Management Services Director, The Salvation Army (Dallas, TX), providing leadership in the “back office” functions of budget and finance, property management, information technology, human resources, and purchasing; and key role in the strategic reorganization.

Mr. Ewing earned a Master of Science degree in clinical psychology, from the University of North Texas in 1978 and a Bachelor of Science degree in psychology from Texas State University in 1974.



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24th ANNUAL ONARGA ACADEMY GOLF OUTING
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Making Lives Brighter for Youth in Foster Care
Making Lives Brighter for Youth in Foster Care
Nexus CARES
One of these boys is in foster care. You can’t tell who because.. Nexus CARES
NEXUS | GiveMN
The Library
The Library
A list of resources for parents
Parenting Partner
Parenting Partner
Helpful articles for parents
Family Matters
Family Matters
(Q&A with Dr. Michelle Murray, Ph.D.)