Wendy Siegel

Millennia Consulting, L.L.C.


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Last Name
Millennia Consulting, L.L.C.
Address Line 1
3530 N. Damen Ave
Address Line 2
Suite 1000
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Company Overview
Millennia Consulting, L.L.C., is a Chicago-based firm dedicated to serving the nonprofit, public, and philanthropic communities nationally. Formed in 1996, Millennia is a Illinois Limited Liability Company (LLC) comprised of senior consultants who provide strategic and community planning services, organizational development, program design, and selected strategic fundraising services. Millennia is a recognized expert in the development of participatory group process methods that foster collaborative and participatory decision-making.
Since our inception, the firm has served more than 1,500 clients in government, philanthropy, education, health care, social services, community development, technology, the arts, and other fields. We have expertise in the following areas.

 Board Development and Governance
 Civic and Community Engagement
 Leadership Development and Learning Circles
 Organizational Development and Strategic Planning
 Program Design
 Succession Planning and Executive Search
 Strategic Fund and Individual Donor Development

Millennia consultants regularly serve as adjunct faculty at area universities and volunteer time on nonprofit boards. We have partnered with DePaul University to offer a certificate in the Art of Facilitation. We are committed to providing affordable services to organizations large and small.
Practice Areas
  • Board Support (Development, Governance, Retreats, Training)
  • Capacity Building
  • Development/Fundraising
  • Executive Coaching
  • Leadership and Professional Development
  • Organizational Development
  • Program Design and Management
  • Strategic planning
Client List
A sample of our clients:
Advocate Christ Family Practice
All Chicago
Annie E. Casey Foundation
Archdiocese of Chicago
Brinson Foundation
Catholic Relief Services
Center for Educational Change
Chicago Public Schools
Chicago Community Trust
Children's Home and Aid
Community Memorial Foundation
Consortium for Educational Change
Cricket Island Foundation
DePaul University
Dothan Alabama Schools
Easter Seals
Generation All
Health Care Foundation of Northern Lake County
Healthy Communities Foundation
Illinois African American Coalition for Prevention
Illinois Coalition for Immigrant & Refugee Rights
Illinois Department of Children and Family Services
Illinois Department of Human Services
Illinois Mentoring Partnership
Jewish Child and Family Services /Chicago
Mano a Mano
Mujeres Latinas en Accion
Partnership for Resilience
Prime Care
Safer Foundation
University of Southern Maine
Testimonial 1
"We hired Millennia to facilitate our three-year strategic planning cycle. Ours is an 18M nonprofit with 14 comprehensive programs, 500+ employees and participants who range from children to seniors. We serve over 20,000 individuals annually and have been doing so for 60 years. Wendy Siegel worked with a large leadership team including board, executive management, and staff to collect data, consolidate findings, explore opportunities and risks, and develop a 3 year strategic plan for our Agency. With so many moving pieces and conflicting schedules, Wendy was able to harness the talents and strengths of the team to facilitate this process. Ann Alvarez, President and CEO, Casa Central
Testimonial 2
"Millennia consulting facilitated a strategic planning process for the Illinois Department of Human Services, Division of Developmental Disabilities. The strategic planning stakeholder group included people with intellectual and developmental disabilities, family members, provider agency representatives and a number of other advocates. Our consultant skillfully facilitated these planning meetings for over a year, during which time she repeatedly demonstrated the ability to raise and discuss difficult issues with people who represented a variety of viewpoints and opinions. She was respected by all group members and the process culminated with consensus on principles upon which the division was able to develop a detailed strategic plan that honored many perspectives. Ms. Siegel’s skills extended from facilitating the stakeholder meetings to working with the Division to develop and write the final strategic planning document. This important process would not have been successful without her involvement." Lilia Teninty, Former Director, Division of Developmental Disabilities, Currently Senior Policy Specialist, Human Services Research Institute, Illinois Department of Human Services
Testimonial 3
The coaching and facilitation from Millennia Consulting helped our group of emerging and established leaders--who rarely get the time for authentic and safe peer mentorship-- to be able to join together, support each other, and most importantly engage in the art and science of solution creation. Hats off to Millennia for putting the "learning" back in the "learning circle" --we are truly grateful. Maria Kim, President and CEO, The Cara Program

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