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John Pfeiffer Email & Phone Number

Social Impact & Philanthropy Leader at Renaissance Social Services, Inc.
Location: Greater Chicago Area, United States, United States 10 work roles 3 schools
1 work email found @chicagohouse.org 3 phones found area 312 and 773 LinkedIn matched
✓ Verified Jun 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, 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, 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.

Company email context

Email format at Renaissance Social Services, Inc.

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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.

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.

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.

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.

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.

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.

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, 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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