Our Staff and Board



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Margaret Coyne, Attorney at Law

Executive Director

Margaret Coyne is the co-founder of Advokids and has been with the organization in different capacities since its creation in 1993. She currently serves as the executive director. After completing her undergraduate degree from Santa Clara University, Margaret graduated from the University of San Francisco School of Law in 1982. She then served as a Deputy City Attorney, representing the San Francisco Department of Human Services’ Child Welfare Division, before moving to private practice. Margaret was the first attorney appointed to exclusively represent children on the San Francisco Juvenile Court Minor’s Panel in 1985. She retired from private practice in 2002 to lend her legal skills and expertise to Advokids to promote safety, stability, and permanency for foster children throughout the state. Margaret is an affiliate member of the American Academy of Pediatrics’ Council on Foster Care, Adoption, and Kinship Care.


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Janet G. Sherwood, Attorney at Law, CWLS

Deputy Director

Janet Sherwood, a co-founder of Advokids has more than 40 years of experience working in the child welfare law field. Her experience includes an in-house counsel job at the State Department of Social Services, serving as a Deputy Attorney General representing various state health, education, and welfare agencies, and more than 20 years in her own private law practice in which she represented parties in both the trial and appellate courts. She is a past Board President of the National Association of Counsel for Children (NACC) and a Child Welfare Law Specialist (CWLS), certified by the NACC and accredited by the State Bar of California’s Board of Legal Specialization. Ms. Sherwood is also a consultant, trainer, expert witness, and frequent speaker on child welfare issues.


Lauren Montana, Attorney at Law

Supervising Attorney

Lauren Montana has devoted her career to helping families in crisis in both the private and public sectors throughout California. As an Advokids staff attorney, Ms. Montana continues to advocate for families and children through her work on the hotline and assisting with child centered policy and legislative reform. Ms. Montana received her JD from Chapman University School of Law in 2008 and holds a Master of Dispute Resolution from the Straus Institute at Pepperdine University School of Law.



Tabatha Yin Kallman, Attorney at Law

Staff Attorney

Tabatha Yin Kallman joined Advokids as a staff attorney in 2016.  Ms. Kallman is committed to advocating for children and families through her work on the Advokids hotline, creating content for Advokids' website, and supporting statewide legislative efforts and policy reform in child welfare.  Prior to joining Advokids, Ms. Kallman earned her bachelor of arts degree from Cornell University in 2000 and her J.D. from the University of California Hastings College of the Law in San Francisco in 2006.  Ms. Kallman practiced in litigation for six years before focusing on juvenile dependency.


Jennifer Murphy, Attorney at Law

Staff Attorney

Jennifer Murphy is a yoga and meditation teacher who joined Advokids as a volunteer staff attorney in 2018. She has volunteered in a variety of roles with child-centered organizations in both New York and California for decades. Ms. Murphy earned a Bachelor of Music in Piano Performance from the Mannes College of Music in New York in 1988, followed by a J.D. from the Benjamin N. Cardozo School of Law in 1997. For the majority of her legal career, Ms. Murphy handled securities enforcement and regulatory matters for an international law firm at its New York and San Francisco offices.


Jessica Kastner, Attorney at Law

Staff Attorney

Jessica Kastner joins Advokids after over a decade of experience as a commercial litigation attorney.  Originally from New York, Ms. Kastner received her JD from Brooklyn Law School in 2007 and, upon graduation, joined Proskauer Rose LLP in New York as a Litigation Associate.  Driven by her commitment to public service, and in particular, advocating for kids and families, Ms. Kastner became heavily involved in Proskauer's pro bono program and then left Proskauer to work full-time at an international restorative justice organization, the International Center for Transitional Justice.  Ms. Kastner moved to Los Angeles in 2015, where she continued her work as a civil litigator with Dorf & Nelson LLP as well as serving families and youth in Los Angeles on a pro bono basis, primarily in dependency law.  Ms. Kastner advocates for families and children through her work on the Advokids hotline and supports statewide legislative efforts and policy reform in the area of child welfare. Ms. Kastner also served as a certified resource parent in New York from 2010 through 2013, and in Los Angeles from 2015 through 2018.

Markie Flores, Attorney at Law

Staff Attorney

Markie is a Los Angeles native who graduated from UC Santa Cruz with a B.A. in Legal Studies and Politics.  Prior to joining Advokids, Markie worked as a legal intern with the San Francisco Dependency Panel.  Markie graduated from Golden Gate University School of Law in 2021 with specializations in Family Law and Public Interest Law.


Katrina Devine

Staff Social Worker

Katrina officially joined the staff of Advokids in 2022, after being a long time client, supporter, and volunteer.  She interned and worked as a Senior Social Worker for Orange County before becoming a foster and adoptive parent in LA County. Most recently she worked as a legal assistant to minors' counsel in Orange County. Katrina earned a BA in International Studies and a BA in Sociology from the University of Wisconsin-Stevens Point and a Masters degree in Social Work from California State University-San Bernardino.  She is passionate about sharing what she's learned in her various roles working with children in foster care and helping others involved in the lives of children and youth in foster care advocate for the best possible outcomes.



Raquel Ramirez

Hotline Intake Specialist & Executive Assistant

Raquel joined Advokids in February 2022 and serves as the first point of contact for Advokids’ hotline callers as the Hotline Intake Specialist and Executive Assistant. Raquel also assists with running reports, data entry, and processes all donation funds through Salesforce.



Daniella Ortega

Executive Assistant

Daniella is a Los Angeles native with a background in social work. Daniella's purpose has always been to support children, whether it be by direct or indirect service. She is the Executive Assistant at Advokids and helps with any administrative needs the team might have, and assists with the Advokids hotline when needed.



Kelli Sedgewick

Los Angeles Liaison

Kelli and her husband have fostered children in Los Angeles for a decade. She has become a vocal foster youth advocate. Kelli became a nonprofit entrepreneur when founding Tori’s Torch, a foundation set up to educate, empower, and encourage caregivers to be a voice for children in the juvenile court system. Kelli has become a powerful liaison between county agencies, foster parent support groups, and statewide child advocacy organizations with the purpose of improving communication across all sectors and to encourage child centered decision making. She facilitates a support group for resource families in Los Angeles and Northern Orange County.


Board of Directors

  • Patricia Black, Attorney at Law, Child Welfare Legal Specialist, Law Office of Patricia E. Black
  • Lauren Case, Attorney at Law, Duane Morris LLP
  • Margaret Coyne, Attorney at Law, Executive Director, Advokids
  • Dan McKenzie, US Bank
  • Janet Sherwood, Attorney at Law, Child Welfare Legal Specialist, Deputy Director, Advokids
  • Kolleen Greenwald, Emergency Placement Foster Care Provider
  • Amanda Stewart, Chief Executive Officer, Keens Shay Keens
  • Didier Perez, Chief Executive Officer, PhenoBiome Inc.

Advisory Board

  • Mark Bettini, M.B.A, Financial Consultant
  • David M. Brodzinsky, Ph.D., Developmental Psychologist
  • Frederica L. Conrad, Ph.D., Child Psychologist
  • Deborah Dentler, Attorney at Law, Foster Care Adoption
  • Douglas R. Donnelly, Attorney at Law, Adoption Specialist
  • Donna Wickham Furth, Attorney at Law, Amicus Curiae Consultant
  • Susan Horst, Attorney at Law, Writ Specialist, California Appellate Law Group
  • William J. Levinson, Ed.D., Executive Consultant
  • Deborah Lowe Martinez, Attorney at Law, Education for Foster Youth
  • Sally Coghlan McDonald, Attorney at Law, Special Education and Disability Rights
  • Tiffany Sickler, Ph.D., Social Worker Consultant


Legal Disclaimer: Advokids provides educational information and resources to those who use our website, call our hotline, or submit requests for information via the website. Any information provided may not be construed as the giving of legal advice to any person about a particular legal matter and should not be relied upon as the basis for taking a particular action or refraining from taking a particular action in any legal matter. If you want or need legal advice about a particular legal matter, you should consult a lawyer.

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5643 Paradise Drive, Suite 12B
Corte Madera, CA 94925

11833 Mississippi Ave., 1st floor
Los Angeles, CA 90025