Our Staff

We’re here to help you and your family.

Michael Aichenbaum

Executive Director, Board Member


Mike Aichenbaum has a multi-faceted educational and employment background. Prior to 1989 when Mike received a bone marrow transplant as treatment for Leukemia, he had received a law degree from the University of Michigan, lived in Israel and served as President of Colonial Lamplighters, an outdoor yard lighting firm located in Detroit, Michigan; subsequent to his recovery he has been a buyer at Boscov’s Department Stores in Reading, Pennsylvania, received Masters degrees in Jewish Education and Jewish Studies from Gratz College in Philadelphia, PA and served as Educational Director of Congregation Or Shalom in Berwyn, Pennsylvania. He has directed HfH since its founding in 2000.

Barbara Schiff

Patient-Family Placement Specialist


Barbara joined HOSTS for HOSPITALS in July of 2017 and is proud to be working for an organization that makes a meaningful impact in the Greater Philadelphia medical community. Barbara received her bachelors degree at University of Delaware and has worked in a variety of industries, including sports & entertainment, telecommunications and a global testing company. She is a skilled project manager and her ultra-organized attention to detail helps her excel in her role for the organization. Barbara was born and raised in Philadelphia and currently lives in Wayne, PA with her husband and 3 children.

Cathy Davis

Outreach Coordinator


Cathy was born and raised in Philadelphia and currently resides in West Mount Airy with her husband and 3 daughters. Working for years in the apparel industry, Cathy has an undergraduate degree in Fashion Merchandising and a Masters in International Business from Philadelphia University. She is a member of St. Paul’s Episcopal Church in Chestnut Hill where she co-chaired the outreach committee for 5 years. This gave her the opportunity to work with Hosts for Hospitals as well as many other local non-profit organizations. Cathy organized the annual events such as “Stop Hunger Now’, the Advent Fair, and the Holiday Giving Tree. She is passionate about the annual rummage sale at St. Paul’s which generates over $40,000 then distributed to aid hunger and homelessness locally. Cathy and her family have been hosting for HFH for over 10 years and intermittently also host international students for local colleges. “Hosting families in need made every day a teaching moment in our home. Our children witnessed how people all over the world become unified when faced with challenging medical situations. They realize what a difference everyone can make showing kindness and hospitality to others we don’t’ even know.”

Jeff Weiand



Jeff first heard about Hosts for Hospitals ten years ago and knew when the opportunity was right, that he would not only become a host, but serve in any capacity that the organization needed. Jeff became a host in 2018 and joined the Board in 2019. As President of RTD Financial in center city Philadelphia, Jeff has been passionately providing fiduciary financial planning and investment advice to individuals and families since 1985. A resident of center city Philadelphia, Jeff enjoys walking to the office whenever possible. He is passionate about sports, working out, skiing, the Jersey shore and frequenting some of the great restaurants/BYOB’s this city has to offer. Jeff’s corporate life and volunteer life are aligned with both having the goal of helping others alleviate stress and so they can focus what really matters – living a healthy and fulfilling life.

Lisa L. Cover, M.H.A., C.H.E.



Lisa L. Cover is a mission focused Healthcare Executive serving non-profit healthcare organizations in the United States and abroad. Lisa’s expertise and experience focus on organizational strategy; new business development, both domestic and international; and operations management.
Prior to taking a break in March 2021 to refocus, reflect, and recharge, Lisa served as Senior Vice President for Business Development and Operations at The Educational Commission for Foreign Medical Graduates (ECFMG). Before joining ECFMG|FAIMER in 2015, she held several leadership roles over more than a decade at The Children’s Hospital of Philadelphia (CHOP), including Senior Director of International Medicine and Assistant Vice President of Planning and New Business Development. Prior to her time at CHOP, Ms. Cover held management positions at academic medical centers, including Columbia University in New York and BJC Health System in St. Louis. She also served as Senior Associate at a prominent health care consulting firm based in New York City.
Lisa holds a Bachelor of Applied Arts with emphases in public health and management from Central Michigan University School of Public Health and a Master of Health Administration from Washington University School of Medicine.
The Cover Family has been hosting patients and their families receiving tertiary and quaternary care at Philadelphia area hospitals since 2010. Lisa is proud to serve on the Hosts for Hospitals Board and looks forward to serving the broader HfH community.

Girish Patwardhan



Girish Patwardhan is a Financial Services Representative with First Financial Group, a General Agency of Massachusetts Mutual Life Insurance Company (MassMutual). Prior to joining MassMutual, Girish worked in pharmaceutical marketing research arena for 25 years. During this time he worked at Strategic Marketing Corp & IMS America. In 2005, he cofounded a boutique market research firm Data Quest Analytics, LLC. In 2010, he started his own company Idea 360 Market Research, LLC.
Girish graduated from University of Pittsburgh with a Ph.D. in Statistics. He has taught statistical courses at The Penn State University at Altoona, Immaculata University, St. Joseph University, and Drexel University. He serves on boards of Hosts for Hospitals and Hope Charities, Inc.

Zakiya Devine

Board Member


Zakiya Devine is Senior Director, Financial Clearance at the Children’s Hospital of Philadelphia. She joined the HOSTS for HOSPITALS board in April 2021 after having had experiences with the organization both with colleagues who have hosted families, and families from CHOP who have utilized HfH services. She is passionate about supporting the growth of the network of housing options to help meet the needs of patients and families who seek care within the Philadelphia region. Zakiya received her undergraduate degree from The George Washington University and Master’s degree from New York University with degrees in public health and healthcare administration and finance respectively. Currently an executive at The Children’s Hospital of Philadelphia, Zakiya has had a career in healthcare administration and operations with roles that have taken her from California to New York City.

Kristi Caldararo

Board Member


Originally from Long Island, New York, Kristi Caldararo is currently the Vice President of Operations at Thomas Jefferson University Hospital in Philadelphia. Kristi has built strong relationships with multidisciplinary teams and leads several complex clinical programs including Transplant, Critical Care, and Cardiac Services. Kristi has a passion for driving transformational change and practicing servant leadership. Kristi is an active member of her community and volunteers through several local organizations. Kristi has presented at national conferences on impactful topics including managing a multigenerational workforce, population health research, and engaging leaders in transformation. Kristi loves meeting new people and enjoys getting to know their story and journey. Kristi is passionate about staying active and enjoys hiking and skiing.