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The San Diego County Board of Supervisors authorized the formation of a multi-disciplinary Methamphetamine Strike Force in 1996 and is composed of approximately 70 member organizations and agencies, including local, state, and federal representatives from public health, law enforcement, judiciary, education, treatment, prevention, and intervention agencies.  

MSF Executive 


MSF Member Agencies


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Summer Stephan

District Attorney

San Diego County

District Attorney Summer Stephan has been a prosecutor in San Diego County for 27 years. Stephan is known for her balanced approach to prosecution which includes being smart on crime, a progressive take on how low-level drug offenders are treated, and a focus on keeping young people out of the juvenile justice system. She leads an office of more than 1,000 employees with a budget of more than $150 million.

Summer has been a leader in smart, fair criminal justice through crime prevention and restorative justice practices that invest in building communities for juvenile, non-violent, and offenders with mental health and addiction issues. She spearheaded the innovative “Know the Price” campaign, which focused on reducing sexual assaults of college students. She also led the award-winning “The Ugly Truth” Human Trafficking Campaign. Ms. Stephan began the first Veterans Treatment Court in North County with DDA George Loyd, a heroic Marine Corps veteran. She was part of the leadership team that diverted more youthful offenders into positive programs instead of incarceration.

As a trial prosecutor, Stephan tried more than 100 jury trials, including special circumstance homicides, sexually violent predators, child molestation, sexual assault, child abuse, school shooting, assault on peace officers, and human trafficking-related cases.

DA Summer Stephan holds leadership positions in public safety on the national state and local level. She serves as Chair of the County of San Diego Human Trafficking and Commercial Sexual Exploitation of Children Advisory Council.. Summer chairs the Task Force on Threats of Targeted Violence to our schools and community. Summer was selected as one of only two prosecutors in California to serve on Governor Schwarzenegger’s Task Force for High-Risk Sex Offenders and Sexually-Violent Predators.

She is the recipient of numerous local, state and federal awards, including an FBI commendation for organized crime prosecution. She received The Outstanding Achievement award for special circumstance homicide prosecution involving the sexual assault and murder of an elderly woman, and Awards for professional excellence and statewide impact in public safety by the San Diego County Deputy District Attorneys Association. She was named Angel of Anti-Human Trafficking and “Modern Day Abolitionist”. She is the recipient of a 2014 commendation by San Diego Mayor Kevin Faulconer as Commission Partner for creating positive change in the community. She was honored to be the recipient of the prestigious 2016 “Voices for Justice” award by the Interfaith Center for Worker Justice.

DA Stephan received her Bachelor of Arts degree from the University of California at Davis and her Juris Doctor from the University of the Pacific, McGeorge School of Law. She completed the “Driving Government Performance” Executive Education Course at the Harvard, Kennedy School of Government.

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Nick Macchione

Director of the County of San Diego Health and Human Services Agency

Nick Macchione has over 22 years of experience in the planning, management, and delivery of public health care and human services. As Director of the Health & Human Services Agency for the County of San Diego, he oversees an annual budget of $1.8 billion and a workforce of more than 5,600 employees. He implements policy directives of the Board of Supervisors and the County's Chief Administrative Officer and manages the day-to-day operations and functions of the Agency which provides a wide range of health and social services. They include programs to increase access to health care for those without health insurance, child and adult mental health services, welfare-to-work employment assistance, programs to protect children and the elderly from abuse and neglect, alcohol and drug dependency treatment and prevention, immunizations, epidemiology, disaster preparedness, adoptions and foster youth programs, operation of two hospitals dedicated for psychiatry and the medically disabled, and numerous other specialized programs.


Prior to becoming the Agency’s Director, Mr. Macchione served 10 years as the Agency’s Deputy Director and one year as an executive with the former county department of public health. Mr. Macchione has also worked in the State of New Jersey as Executive Director of a regional health planning organization addressing infectious diseases in a large metropolitan region. Throughout his career, Mr. Macchione and his staff have received numerous awards for developing nationally recognized health and social service reform initiatives. He is also the author of publications on health improvement and health information technology.

Mr. Macchione holds dual masters’ degrees from Columbia University and New York University in New York City where he specialized in health services management and health policy. He is a Fellow of the American College of Healthcare Executives, having completed a three-year term as an elected Regent for San Diego and Imperial Counties (2005-08). He is a Public Health Leadership Scholar with the federal Centers for Disease Control and Prevention and a Creating Healthier Communities Fellow with the American Hospital Association’s Health Forum. In addition, for the past 11 years he has been an active faculty member in the Graduate School of Public Health teaching both graduate and undergraduate students. As a tribute to his success as a healthcare executive, teacher and mentor, in 2007 he was inducted by San Diego State University’s Graduate School of Public Health as an honorary member of Delta Omega of the Sigma chapter, and appointed as the John J. Hanlon Executive Scholar, an endowed position created to bridge the worlds of healthcare practice and healthcare administration.

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Holly Porter

Deputy Chief Adminstrative Officer San Diego County

Holly Porter is a Deputy Chief Administrative Officer for the County of San Diego. She is the General Manager of the County’s Public Safety Group, working closely with the Sheriff’s Department, District Attorney’s Office, Probation Department, Office of Emergency Services, Citizen’s Law Enforcement Review Board, the Public Defender, Child Support, the Medical Examiner and the Department of Animal Services. Together, these departments provide critical public safety services to the citizens of San Diego County and have over 7,000 employees and an annual budget of over $1.2 billion.


Prior to this assignment, Holly served as the Director of the County of San Diego’s Office of Emergency Services for eight years, and was the Director of the County’s Emergency Operations Center during the December 2017 Lilac fire, the May 2014 San Diego County fires, the Joint Information Center during the September 2011 blackout, and she directed the communications team who responded to H1N1 in 2009 and the San Diego County measles outbreak in 2008. Porter also played a leadership role in the Emergency Operations Center during the 2007 federally declared wildfire disaster. 


Porter has worked for the County of San Diego since 2006. She earned a bachelor’s degree from the University of Florida and she’s a 2013 graduate of the National Preparedness Leadership Initiative through Harvard.

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