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John Pfeiffer Email & Phone Number

Social Impact & Philanthropy Leader at Renaissance Social Services, Inc.
Location: Greater Chicago Area, United States 10 work roles 3 schools
1 work email found @chicagohouse.org 3 phones found area 312 and 773 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email j****@chicagohouse.org
Direct phone (312) ***-****
LinkedIn Profile matched
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Role
Social Impact & Philanthropy Leader
Location
Greater Chicago Area, United States

Who is John Pfeiffer? Overview

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Quick answer

John Pfeiffer is listed as Social Impact & Philanthropy Leader at Renaissance Social Services, Inc., based in Greater Chicago Area, United States. AeroLeads shows a work email signal at chicagohouse.org, phone signal with area code 312, 773, and a matched LinkedIn profile for John Pfeiffer.

John Pfeiffer previously worked as Director of Philanthropy at Renaissance Social Services, Inc. and President at Open Door Advisors Philanthropy, Llc. John Pfeiffer holds Executive Program In Social Entrepreneurship from Stanford University Graduate School Of Business.

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{first_initial}{last}@chicagohouse.org
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Profile bio

About John Pfeiffer

John is a social impact leader with more than 30 years of experience in nonprofit, government and consulting organizations. As a C-level executive and governing board member, John has guided significant growth and mission impact for many respected agencies working to increase economic and social equity and opportunity. John has expertise in areas including strategy and planning; partnerships and mergers; fundraising and philanthropy; and marketing and communications.Previously, John served as First Deputy Commissioner of the Chicago Department of Family and Support Services; CEO of Inspiration Corporation; COO of Chicago Cares; Director of Individual Philanthropy at Feeding America; and Senior Consultant with KPMG LLP. John holds a BA in Economics from Northwestern University and an MPA from Columbia University. He also completed the Executive Program in Social Entrepreneurship at Stanford University. He was named a Public Affairs Fellow by Columbia University in 1996, a Chicago Community Trust Fellow in 2010 and a Notable LGBTQ Executive by Crain’s Chicago Business in 2019.John serves as a member of awards and review committees at the Axelson Center for Nonprofit Management, All Chicago, and the George M. Pullman Educational Foundation. Previously, he served on the boards of the Back Office Cooperative, the Center for Housing and Health, the Chicago Coalition for the Homeless, the Chicago Low Income Housing Trust Fund, and Reeling, the Chicago LGBTQ+ International Film Festival. He is a member of AFP, having earned the Certified Fund Raising Executive (CFRE) credential in 1994.

Listed skills include Management Consulting, Fundraising, Nonprofits, Strategic Planning, and 36 others.

Current workplace

John Pfeiffer's current company

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Renaissance Social Services, Inc.
Renaissance Social Services, Inc.
Social Impact & Philanthropy Leader
AeroLeads page
10 roles

John Pfeiffer work experience

A career timeline built from the work history available for this profile.

Director Of Philanthropy

Current

Chicago, Illinois, Us

Renaissance is a leader in Chicago‘s response to homelessness. The organization provides a range of proven solutions, including prevention, street outreach, rapid rehousing, permanent supportive housing, behavioral health care, and social services. In 2023, Renaissance helped more than 3,600 people — individuals and families — find homes and improve their health outcomes and quality of life.

Jul 2023 - Present

President

Current

Open Door Advisors Philanthropy helps change makers mobilize the capital needed to realize bold visions for social impact. Since its founding in 2021, our team has helped mobilize more than $45M for a diverse range of transformational projects. Please visit odaphilanthropy.com to see our full array of services:- Strategic Advisory Services- Assessments and Feasibility Studies- Capital Campaign Management- Marketing and Communications - Leadership CoachingLeverage our experience and networks to advance your cause. To learn more, connect with us at hello@odaphilanthropy.com.

Jul 2021 - Present

Senior Advisor

Current

Chicago, Illinois, Us

Open Door Advisors supports leaders and organizations seeking growth, impact and change. We offer trusted consulting to guide strategy and planning, organizational sustainability, talent development, new ventures, and impact assessment. Our clients — nonprofits, associations, foundations, businesses and government agencies — share a commitment to social impact. Our team leverages their leadership experience and deep networks to support our clients when you need us most. We are available to help you seize new opportunities, address complex challenges and build foundations for growth. STRATEGY AND PLANNINGBig ideas need impeccable execution. We move ideas into action. From feasibility analyses to strategic plans, we are a thought partner with the tools to design, build and scale your organization and its impact.PEOPLE AND CHANGE Thriving organizations engage people with intentionality, focusing on equity, growth and fulfillment. We catalyze leadership and potential through thoughtful consultation, coaching and development programs. Our clients gain new knowledge, resolve vexing organizational challenges, and become workplaces of choice.SUSTAINABILITYOur approach to organizational sustainability emphasizes workable solutions to guide investment and social impact.NEW VENTURESWhen you are ready to realize your potential for transformative social impact, we open doors for you. For corporations, foundations, associations, nonprofits and individuals looking to leverage their time and talent for transformative social impact, we advise clients from concept to launch of new ventures.ASSESSMENTWe assess performance at each stage of an organization's lifecycle to support smart growth, deep impact and long-term sustainability.Learn more about our team's experience and capabilities at www.opendooradvisorsinc.com.

May 2018 - Present

Chief Operating Officer

Chicago, Illinois, Us

Chicago Cares mobilizes volunteers to build a stronger, more unified Chicago. Founded in 1991, Chicago Cares connects more than 20,000 volunteers with 250 community partner organizations, bringing people together in service. Chicago Cares resources community-driven change on Chicago’s south, west, and northwest sides, and creates experiences that foster connection, understanding, and empathy. As COO, I led Chicago Cares' social enterprise programming, administration, finance, talent management and technology teams.Visit online at www.chicagocares.org.

May 2016 - Jun 2018

First Deputy Commissioner, Department Of Family And Support Services

Us

I served as chief of staff for the City of Chicago's primary human services department (400+ employees, 13 facilities, $332M budget), which supports a continuum of services to enhance the lives of residents from birth through the senior years, particularly the most vulnerable. I provided oversight to the department's directly provided services and administered resources to a network of more than 300 contracted service providers; developed departmental priorities and strategy; and coordinated special initiatives and citywide planning efforts in collaboration with the Mayor's Office, public agencies, service providers, consumers, policy advocates and philanthropic partners.

Jun 2011 - Jan 2015

Chief Executive Officer

Chicago, Il, Us

I led this award-winning nonprofit helping more than 3,000 unhoused and low-income men and women achieve greater self-sufficiency and stability each year. My team built public support to expand the agency's innovative array of supportive services, employment and housing programs, and grew the Inspiration Kitchens food service social enterprise to expand training and employment opportunities for low-income individuals and diversify revenue. We raised more than $6.3M through the agency's first capital campaign, built a LEED Gold training center and community restaurant in East Garfield Park, and grew the permanent supportive housing program to more than 100 apartments. Visit www.inspirationcorp.org to learn more.

Jul 2005 - Jun 2011

Director Of Individual Philanthropy

Chicago, Illinois, Us

I established major and planned giving programs for the nation's food bank network. My team raised more than $17M by improving marketing, relationship development and stewardship efforts. We expanded the organization's direct marketing efforts to engage the public in efforts to end hunger in America.

Jan 2002 - Jun 2005

Senior Consultant

New York, Ny, Us

I provided management consulting to public and nonprofit institutions to refine management strategies, assess performance and improve operations.

Sep 2000 - Nov 2001

Director Of Operations, Department Of Social Services

New York, New York, Us

I managed budgeting, contracting, personnel and general administration for the Department's $200M Division of Adult Services.

Jun 1999 - Sep 2000

Planning And Liaison Officer

Population And Community Development Association (Pda)

I contributed to planning and resource development for various microenterprise, public health and environmental projects at Southeast Asia's largest NGO. Volunteer posting through WorldTeach/Harvard Institute for International Development.

Sep 1995 - Dec 1996
3 education records

John Pfeiffer education

Executive Program In Social Entrepreneurship

Stanford University Graduate School Of Business

Mpa, Nonprofit & Public Management

Columbia | Sipa

Ba, Economics

Northwestern University
FAQ

Frequently asked questions about John Pfeiffer

Quick answers generated from the profile data available on this page.

What company does John Pfeiffer work for?

John Pfeiffer works for Renaissance Social Services, Inc..

What is John Pfeiffer's role at Renaissance Social Services, Inc.?

John Pfeiffer is listed as Social Impact & Philanthropy Leader at Renaissance Social Services, Inc..

What is John Pfeiffer's email address?

AeroLeads has found 1 work email signal at @chicagohouse.org for John Pfeiffer at Renaissance Social Services, Inc..

What is John Pfeiffer's phone number?

AeroLeads has found 3 phone signal(s) with area code 312, 773 for John Pfeiffer at Renaissance Social Services, Inc..

Where is John Pfeiffer based?

John Pfeiffer is based in Greater Chicago Area, United States while working with Renaissance Social Services, Inc..

What companies has John Pfeiffer worked for?

John Pfeiffer has worked for Renaissance Social Services, Inc., Open Door Advisors Philanthropy, Llc, Open Door Advisors, Inc., Chicago Cares, and City Of Chicago.

How can I contact John Pfeiffer?

You can use AeroLeads to view verified contact signals for John Pfeiffer at Renaissance Social Services, Inc., including work email, phone, and LinkedIn data when available.

What schools did John Pfeiffer attend?

John Pfeiffer holds Executive Program In Social Entrepreneurship from Stanford University Graduate School Of Business.

What skills is John Pfeiffer known for?

John Pfeiffer is listed with skills including Management Consulting, Fundraising, Nonprofits, Strategic Planning, Strategy, Program Management, Philanthropy, and Program Development.

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