About Us

MJ Housing & Services specializes in enhancing the lives of seniors and families living in affordable housing communities across the United States. We provide quality service coordination and educational programming focused on empowering our senior and disabled residents to live independently and our families to be economically self-sufficient.


Currently, MJ Housing & Services serves over 10,000 residents at 80 affordable housing communities. Each apartment complex offers free, comprehensive services to all interested residents on-site. Culturally sensitive services are provided to all of our residents, including the most needy low income populations. 


MJ Housing provides full service employment, training, supervision, grant administration and 3rd party Quality Assurance on a national level.

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Meet Our Team

Aging Services and Healthcare Professionals



Madelyne J. Pfeiffer, M.S.W, C.F.R.E

Founder / CEO & President

Madelyne J. Pfeiffer is Founder and CEO of MJ Housing & Services, Inc., a company specializing in aging services, service coordination, coordinated care, quality assurance, and fund Raising focused on low income seniors and disabled individuals. She is an accomplished leader with a strong background in developing innovative team models and developing mutually beneficial partnerships. 

Ms. Pfeiffer has a history of success generating funds through grants and bank community reinvestment funds to subsidize innovative programs for seniors and disabled adults living in affordable housing communities across the United States.

Ms. Pfeiffer has a BA from Claremont McKenna College in psychology and fine arts and a Masters in Social Work (MSW) from USC, and a Certificate in Fundraising (CFRE) from Indiana University. 

Ms. Pfeiffer is currently an AASC faculty and travels nationally providing consulting and training to developers, property management companies, service providers and health care companies.


Charles A. Brown

Vice President

A new resident to sunny San Diego, Charles relocated here by way of Austin, Texas. Prior to coming to MJ Housing and Services, he served as the Operations Administrator / Manager for Children’s Legal Services of San Diego, a nonprofit that provides legal advocacy to children in the foster care system.

He also has served as the Executive Director of Business Services for the Manor Independent School District which services 13 campuses from K-12. Prior, he was an accountant for Greenblum Investment Partners and Law Firm. Before relocating to Austin, Texas he served as an Accountant for the Chaffey Joint Union High School District office in Ontario, California.

He currently serves as an adjudicator for Texas Color Guard Circuit, Winter Guard Association of Southern California, West Coast Winter Guard Circuit, US Bands , YEA – Youth Education in the Arts and is an invited guest to many other circuits across the country. He has also judged for Drum Corps International and Winter Guard International. He is an invited speaker and clinician to many organizations around the country.

He currently serves on the board of directors for the San Diego Gay Men’s Chorus and is the past board president for the Arcos Dance Company. He was also the past president for the Texas Association for School Business Officials.

Ara Vanderhoof

Director of Administration

As the Director of Administration, Ara is responsible for generating positive revenue growth, maintaining program and administrative compliance, and harmonizing operations.


Through Ara’s organizational skills, strategic planning, and thoughtful relationship management, she has developed a highly successful, diversified social service program that serves over 7,000 residents at more than 26 properties in California. Her background in affordable housing development, human resources, and social service program development makes her uniquely qualified to take on this role and contribute to the Executive Team and continued growth of MJ Housing & Services.

Ara holds a Bachelor of Business Administration with a concentration in Management from the University of San Diego.

Ara is a native Californian that has a passion for traveling and experiencing new cultures. She is currently raising two beautiful kids in wine county, Temecula, California. In addition to traveling, she and her family love to spend their free time paddle boarding, biking, and hiking.


Gloria Pacas

Director of Quality Assurance

Gloria Pacas is a California native who graduated from the University of California - Irvine with a B.A. in Psychology and Social Behavior and a B.A. in Spanish. Gloria spent a year studying abroad in Spain which led to her completing a B.A. in Spanish. She can speak Korean along with Spanish. 


She had been a Resident Service Coordinator at an independent senior apartment in Long Beach, CA for eight years. While being a part of the MJ team, she has taken on different roles within the company as an Onboarding Specialist and a Lead Resident Service Coordinator while continuing to provide services and care coordination to seniors 62+. 


Gloria continues to grow within MJ Housing and Services by providing support to the Service Coordinators in California on the MJ team and Quality Assurance team as Regional Director of Social Services and now as Director of Quality Assurance to all Service Coordinators on the MJ team. She is driven to provide the ultimate support to the team so that they can provide the best quality of life to the seniors they are serving while maintaining compliance with HUD.   

Support Services

Allison Delavega

Program Support Specialist

Allison (Ally) Delavega is the newest addition to the leadership team at MJ Housing & Services. She is a strong administrative professional with a background in education, non-profits, and administration.


Ally earned her Bachelor's degree in Interdisciplinary Studies from Texas A&M San Antonio while working full time as a payroll specialist. She graduated Magna Cum Laude and began teaching at her childhood school district. After her first year of teaching, she was named as a High Performing Teacher and was appointed as the school's Gifted and Talented Representative and Robotics coach. 

Born and raised in Texas, she moved to San Diego in 2016 and shifted back into administration. She excels at project management and building corporate policies and procedures. She brings over 12 years of administrative experience to the leadership team. Ally has a passion for education, learning, and support. She is looking forward to assisting seniors and resident coordinators in her new role. 

Services Staff


Mike Edminston

Lead Service Coordinator
Argonaut Senior


Coco Ziyi Yang, LCSW

Lead Service Coordinator
Golden Age Village

Nikiya Cruz

Resident Service Coordinator
Pavilion Apartments

Eunice Gonzalez

Resident Service Coordinator
Island Village

Yulan (Nancy) Lan

Resident Service Coordinator
Lions Community Manor

Sandra Jordan

Resident Service Coordinator
Richland Summit 


Tina Borngen

Lead Service Coordinator
Sorrento Towers


Rae Suber Johnson

Resident Service Coordinator
Crescent Manor


Lesa Masten

Resident Service Coordinator
La Resolana Senior

Ha Dang

Resident Service Coordinator
Westley Terrace

Davida delaGonzalez

Resident Service Coordinator
Aria, Maycrest, & Cottage Hill 


Armando Rivera Jr. 

Resident Service Coordinator
Muhlenberg Gardens & Wittenberg Manor

LaQuisha Brumfield

Resident Service Coordinator
Herald Apartments


Dee Amundson

Lead Service Coordinator
The Drehmoor

Elsa Rodriguez

Resident Service Coordinator
Garden Villas


Lakshmi Jonnada

Resident Service Coordinator
Tyrol Plaza

Jenn Skinner

Resident Service Coordinator
Pilgram Terrace

Anastasia Slocum

Resident Service Coordinator
Oceanpointe Tower Apartments

Dana Tull

Resident Service Coordinator
Tower on 19th & Triangle Terrace

Mercedes Vazquez Romo

Resident Service Coordinator
New Hope Homes


Tyara King

Lead Service Coordinator
Ashland Heights


Margaret Scott-Taylor

Resident Service Coordinator
PF King Village

David Resendiz

Resident Service Coordinator
Casa Panorama Apartments

Melanie Thai

Resident Service Coordinator
The Presidio 

Nicole Irwin, MSW

Resident Service Coordinator
Coraopolis Towers


Turrender Bates

Resident Service Coordinator
Bon Air Apartments

Get to know the team in person! Call us today.