Executive Team Members

  • Ronald Weglarz, Chief Executive Officer
  • Dr. Joseph McNally, Chief Medical Officer
  • Olieth Lightbourne, Chief Nursing Officer
  • Karen Williams , Chief Financial Officer
  • Joseph Rinke, Director of Human Resources
  • Rick Karmik, Director of Education
  • Rob Hittmeier, Director of Clinical Services
  • Alan Moy, Executive Director of John Costigan Residential Center
  • Shannon Stowasser, Director of Business Development
  • Patricia McClure-Chessier, Director of Risk and Performance Improvement

Our entire continuum of care is staffed by multi-disciplinary treatment teams consisting of:

  • Child and Adolescent Psychiatrists
  • Therapists
  • Nurse Managers
  • Charge Nurses
  • Program Coordinators
  • Program Specialists
  • Behavioral Health Technicians
  • Expressive Arts Therapists
  • Psychologists
  • Medical Physicians
  • Case Managers
  • Assessment & Referral Staff

Attending Child & Adolescent Psychiatrists


Joseph P. McNally, M.D., Medical Director, PDD Unit Director, JCRC

Medical School
Graduated in 1991 from the Loyola Stritch School of Medicine, Maywood, Illinois

Post Graduate Training

  • University of Michigan Hospitals and Health Centers, Specialty – General Psychiatry
  • University of Chicago Hospitals, Specialty – Child and Adolescent Psychiatry


Areas of Interest/Expertise

  • Complex cases
  • Pervasive Developmental Disorders
  • Trauma
  • Forensic Cases


Experience:
Dr. Joseph McNally has over 10 years of experience, and is certified with the American Board of Psychiatry and Neurology. Currently, Dr. McNally is the Medical Director of Streamwood Behavioral Healthcare System, where he has worked 9 of his 10 years.

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Maria Estrada, M.D., Child Unit Director

Medical School
Graduated in 1991 from the University of the Philippines College of Medicine, Manila, Philippines

Post Graduate Training

  • Lutheran General Hospital, Specialty – Adult Psychiatry
  • Children’s Memorial Hospital, Specialty – Child and Adolescent Psychiatry
  • Northwestern University, Specialty – Child and Adolescent Psychiatry


Areas of Interest/Expertise

  • Autistic Spectrum Disorders
  • ADHD
  • Mood Disorders
  • Anxiety Disorders


Experience:
Dr. Maria Estrada has over 14 years of experience and is currently an attending psychiatrist at Streamwood Behavioral Healthcare System, where she has worked 6 of her 14 years.

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Conchita Gavino, M.D., Adolescent Girls Unit Director

Medical School
Graduated in 1973 from the University of the East Ramon Magsaysay Memorial Medical Center, Quezon City, Philippines

Post Graduate Training

  • Illinois State Psychiatric Institute, Specialty – General Psychiatry


Areas of Interest/Expertise

  • Diagnostic Assessments and Treatment of Adolescents


Experience:
Dr. Conchita Gavino has over 20 years of experience, and is certified with the American Board of Psychiatry and Neurology. Currently, Dr. Gavino is the Director of the Adolescent Girls Program at Streamwood Behavioral Healthcare System, where she has worked 10 of her 20 years.

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Shaheena Hossain, M.D., Acute

Medical School
Graduated in 1986 from Dow Medical College, Karachi, Pakistan

Post Graduate Training

  • University of Kansas Medical Center, Specialty – General Psychiatry
  • University of Washington, St. Louis, Specialty – Child and Adolescent Psychiatry


Areas of Interest/Expertise

  • ADHD
  • Autism
  • Bipolar Mood Disorder
  • Anxiety and Depression


Experience:
Dr. Hossain has extensive experience treating the child and adolescent population in an inpatient as well as outpatient setting, including day programs. Dr. Hossain is certified with the American Board of Psychiatry and Neurology. Currently, Dr. Hossain is an attending psychiatrist at Streamwood Behavioral Health Systems.

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Ahmed Hussain, M.D., Acute and Outpatient Services

Medical School
Graduated in 1983 from Osmania University, Hyderbad, India

Post Graduate Training

  • Harvard Medical School, Specialty – General Psychiatry
  • University of Chicago, Specialty – Child and Adolescent Psychiatry


Areas of Interest/Expertise

  • Adolescent Bipolar Disorders


Experience:
Dr. Ahmed Hussain has over 12 years of experience, and is certified with the American Board of Psychiatry and Neurology, Adult, Child and Adolescents. Currently, Dr. Hussain is the Medical Staff President and Director of the Adolescent Boys Program at Streamwood Behavioral HealthcareSystem, where he has worked 5 of his 12 years.

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William F. Puga, M.D., ACT I Unit Director, Tele-Psych

Medical School
Graduated in 1985 from the University of Illinois at Chicago

Post Graduate Training

  • Lutheran General Hospital, Specialty – General Psychiatry
  • Medical College of Virginia, Specialty – Child Psychiatry


Areas of Interest/Expertise

  • Bipolar across the life span
  • Complex Psychopharmacology
  • Medical / Psychiatric Interface


Experience:
Dr. William Puga has over 17 years of experience, and is certified with the American Board of Psychiatry and Neurology. Currently, Dr. Puga is the Director of the Child/ACT Program at Streamwood Behavioral Healthcare System, where he has worked 7 of his 17 years.

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Christopher Sinnappan, M.D., ACT II Unit Director, CRC Unit Director, Tele-Psych

Medical School
Graduated in 1993 from the University of Illinois at Chicago

Post Graduate Training

  • Institute for Juvenile Research, University of Illinois, Specialty – General Psychiatry
  • University of Chicago Hospitals, Specialty – Child and Adolescent Psychiatry


Areas of Interest/Expertise

  • Diagnostic Assessments
  • ADHD
  • Treatment of Juvenile Sex Offenders


Experience:
Dr. Christopher Sinnappan has over 10 years of experience, and is certified with the American Board of Psychiatry and Neurology. Currently, Dr. Sinnappan is an attending psychiatrist at Streamwood Behavioral Healthcare System, where he has worked 3 of his 10 years.

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Interested in working at Streamwood Behavioral Healthcare System? Visit our database of open positions.