Board of Directors

Holly Zweizig

Holly Zweizig, MPA, OCPC, ICPS

Associate Director, Mental Health and Recovery Board of Union County

President, Ohio Prevention Professionals Association

Holly Zweizig has more than 25 years of experience in the behavioral health field, spending the majority of her career in the prevention field. Holly served previously as the coordinator of the Union County Drug Free Coalition, a federally funded project from the Substance Abuse and Mental Health Services Administration. Her earlier career roles included assistant director of Drug-Free Action Alliance (now Prevention Action Alliance) and early childhood behavioral health director for the Council for Union County Families.

Christi Lackner

Christi Valentini-Lackner, OCPS, ICPS

Chief Program Officer, PreventionFIRST!

Vice President and Education & Training Team Co-Chair, Ohio Prevention Professionals Association

Christi Valentini-Lackner has two decades of experience in the prevention field, including a prior role as project director with Envision Partnerships in Butler County. In her role at PreventionFIRST!, she works with coalitions, systems and fellow prevention professionals and community leaders to implement best practice prevention strategies. Christi is also a coach with the Ohio Coaching and Mentoring (OCAM) Network, helping to build prevention capacity in Ohio. In 2016, Christi received the ADAPAO Advocate Award.

Rachael Miller

Rachel Miller, MEd, LSW, OCPC, ICPS

Prevention Specialist, Greene County Educational Service Center

Secretary and Education & Training Team Co-Chair, Ohio Prevention Professionals Association

Rachel Miller began her prevention career in 2015 as the sole prevention professional at TCN Behavioral Health. Within a few years, she became the prevention team leader for the agency’s growing prevention reach within five counties. She changed roles in early 2022, becoming a prevention specialist at Greene County Educational Service Center, where she delivers prevention education and engages in coalition work. While Rachel has experience with an array of prevention services, suicide prevention has been a significant focus of her prevention career. Rachel was also an early member of the OPPA Young Prevention Professionals Project.

Belon Hill

Belon Hill, OCPS, ICPS

Prevention Specialist, Youth to Youth International

Advocacy Team Co-Chair, Ohio Prevention Professionals Association

Belon Hill supports youth-led prevention services, working with a local organizations within Ohio. She previously developed and coordinated youth-led prevention programming in Montgomery County for Youth to Youth International. Her career history also includes several years working for the Girl Scouts of Western Ohio as a senior recruitment manager, recruiting volunteers and girls to form new troops in Montgomery County and providing school-based direct service programming. Belon has also served on the Montgomery County Prevention Coalition.

Rebecca Jones

Rebecca Jones, OCPS, ICPS

Associate Director of Community Care, Talbert House

Advocacy Team Co-Chair, Ohio Prevention Professionals Association

Rebecca Jones began her prevention career in a rural Ohio junior high school when she became involved with Teen Institute. After college, she worked with the local Family and Children First Council to implement programming in Logan and Champaign counties. Becca also provided prevention services in Miami County before moving to Hamilton County where she's served rural, suburban, and inner cities through cross-cultural prevention work. She was first credentialed in prevention in 2003 and became an Ohio Certified Prevention Consultant in 2017. After many years of implementing school-based prevention services, Becca transitioned to her current role overseeing prevention programs serving young children, youth, and adults in a wide array of settings.

Kristina Latta-Landefeld

Kristina Latta-Landefeld, MS, OCPS, ICPS

Chief Operating Officer, Envision Partnerships

Resource Development Team Co-Chair, Ohio Prevention Professionals Association

After many years as a rowing coach and club director, Kristina had the opportunity in 2017 to step into her first official prevention role with Envision Partnerships, serving as the Coalition Coordinator for Healthy Hamilton Coalition. In 2018, she was promoted to Director of Community-Based Programs where she oversaw the Healthy Hamilton Coalition, Butler County Tobacco Policy Coalition, and Butler County Suicide Prevention Coalition, among other collaboratives and structures for planning and implementing environmental prevention strategies. Kristina's background in health and wellness has contributed to her desire to build healthier, happier communities.

Mary Marvel

Mary Marvel, MS, OCPC, ICPS


Communications & Marketing Team Co-Chair, Ohio Prevention Professionals Association

Mary Marvel spent almost her entire career in school systems, where her positions included high school math teacher, district substance abuse prevention coordinator, and high school guidance counselor. For 35 years, Mary also advised school-based youth-led prevention programs, while also providing both volunteer and contract work for programs such as Youth to Youth International, Ohio Teen Institute and several county- and school-based youth prevention programs in the state. Mary continues to be engaged in youth-led prevention.

Matt Petersen

Matthew Petersen, OCPS, ICPS

Prevention Specialist, Lake-Geauga Recovery Centers

Membership & Networking Team Co-Chair, Ohio Prevention Professionals Association

Matthew Petersen grew up as a leader in youth-led prevention and has been working professionally in the prevention field in 2015. In his role with Lake-Geauga Recovery Centers in Northeast Ohio, he implements universal prevention strategies for youth and adults, ranging from youth-led prevention to delivery of prevention services in classrooms and workplaces. Matt has also been involved in multiple local and statewide coalitions, including leading the prevention committee of Geauga County’s Opiate Prevention HUB. Matt is also very involved with his local 4-H community where he has been a 4-H volunteer for almost 20 years. He was also an inaugural member of the OPPA Young Prevention Professionals Project.

Jodi Salvo

Jodi Salvo, MSW, LSW, OCPC, ICPS

Director of Prevention Services, OhioGuidestone

Membership & Networking Team Co-Chair, Ohio Prevention Professionals Association

Jodi Salvo oversees school-based prevention services and youth-led programming in Tuscarawas and Carroll Counties and coordinates the Tuscarawas County Anti-Drug Coalition. Jodi is past chair of the State Prevention Coalition Association (SPCA), where she helped guide the development of and programming for professionals and volunteers working with coalitions throughout Ohio. Jodi is also the 2017 recipient of the ADAPAO Advocate Award and is passionately committed to strengthening families and communities.

Claire Spada

Claire Spada, OCPC, ICPS

Program Manager, Problem Gambling Network of Ohio (PGNO)

Education & Training Co-Chair, Ohio Prevention Professionals Association

Claire Spada has over 15 years of experience working in the prevention field. She has a passion for educating others on issues that can greatly impact their lives including substance use and gambling prevention, coping with emotions in positive ways, building capacity within communities for prevention work, and empowering young people in leadership roles. In her role at PGNO, Claire manages the Ohio Gambling Endorsement Support Services program, the Stages Training program, and coordinates the Ohio Problem Gambling Conference. Claire is a member of Ohio's Problem Gambling Advisory Board and serves as a co-chair of the Prevention and Promotion Committee. She is also a co-chair of the Cuyahoga Problem Gambling Coalition.


Lisa Tuma
Lisa Tuma

Lisa Tuma, OCPC, CHES

Prevention Coordinator for School-Based Services, Prevention Action Alliance

Communications & Marketing Team Co-Chair, Ohio Prevention Professionals Association

Lisa Tuma joined Prevention Action Alliance in early 2023 after four years as a prevention specialist with Crossroads Health in Lake County. In her role at Prevention Action Alliance, Lisa manages and supports deliverables associated with the MEB Curriculum Training and Implementation grant as well as the Prevention and Wellness Academy of Ohio. Prior to joining the prevention field, Lisa worked in both pediatrics and in school-based health services.