Trainers and Consultants

We work hard to attract and retain trainers who are not only specialists in their field, but also dynamic speakers who deliver content-oriented presentations that are both engaging and informative.

Find a trainer in your area below.

Eric Stutzman


As Managing Director of ACHIEVE Centre for Leadership & Workplace Performance, Eric provides the overall direction for the development and delivery of ACHIEVE’s workshops and services. He has provided leadership in the field of conflict resolution and mediation since completing a degree in Sociology with a focus on mediation and peacemaking. Eric is a Chartered Mediator and currently President of the Alternative Dispute Resolution Institute of Manitoba.  He has worked as an administrator, board chair, senior mediator, trainer and lead negotiator for other organizations in various parts of Canada. Eric believes that the best leaders and employees turn their minds first to listening with curiosity. He is the author of many of ACHIEVE’s workshops including Management and Supervision, Coaching Strategies for Leaders and Dealing with Difficult People.  Eric is a gifted trainer who makes training material come alive for participants through humour and real world application.

Randy Grieser, CEO


Randy Grieser is the founder and CEO of ACHIEVE Centre for Leadership & Workplace Performance and the Crisis & Trauma Resource Institute (CTRI). He holds a Master of Social Work degree and a Bachelor’s degree in Conflict Resolution. Randy is a visionary leader who, together with a team of employees and trainers, has positioned these organizations to be two of the premier providers of professional development training in the industry. He is the author of The Ordinary Leader: 10 Key Insights for Building and Leading a Thriving Organization. Randy gives presentations on leadership and management principles to a wide range of audiences in business, education, health, and government settings. He believes leadership requires us to always be intentional about what we do and how we do it. Randy is a dynamic presenter who delivers insightful presentations that are engaging, humorous and informative. Find his latest thoughts on leadership at TheOrdinaryLeader.com.

Seniye Groff


Seniye brings a wealth of expertise in leadership and management with a particular focus on increasing performance while building team spirit and achieving organizational goals to her role as a trainer with ACHIEVE. Seniye has managed teams from five to 125 people and with roles in management and executive leadership.  She holds a Master’s of Science in Adult Training and Development and is an adjunct Professor at Clark College. She has worked with clients such as REI, New York Cupcakes, Vestas Americas, Multnomah County Libraries, Oregon Child Development Coalition, Nike and Columbia Sportswear.  Her broad perspective, approachable manner and training expertise make for engaging learning environments.

Krystel Salandanan


Krystel is a licensed clinical psychologist based in New York City with a doctorate in psychology from The Wright Institute and a bachelor’s degree in psychology from the University of Washington. She has specialized experience in behavioral therapies, mindfulness-based techniques, behavioral medicine/health psychology, multicultural psychology and crisis intervention. In addition to training with ACHIEVE, she works as a psychotherapist in behavioral medicine working in a wide range of medical clinics and nursing facilities throughout the five boroughs. Complementing workshops with real-life clinical examples, practical skills training and a high-energy passion, she engages workshop participants in thoughtful discussion to optimize learning.

Ruth Yeo-Peterman


Based in Seattle, Ruth is both a communication specialist and licensed counselor who holds a Master’s degree in Expressive Therapies and Mental Health Counseling and a Bachelor’s degree in Communication Science. She is currently Vice President of Program Development and Training with First Aid Arts, an international NGO based in Seattle, where she is responsible for managing, developing, and facilitating experiential training. Ruth has more than a dozen years’ experience working within diverse and challenging environments in both South Africa and the United States, including roles in justice, education, and community based programs. As a passionate and creative facilitator, Ruth is committed to engaging participants by creating dynamic and supportive spaces for participatory learning.

Jennifer Graville Bricker


Based in Chicago, Jennifer holds a masters degree in Conflict Transformation and is a certified mediator. She combines her commitment to restorative justice, conflict resolution, and community building in her position as Program Manager for a community-based justice program in Prince George's County, MD. In this role, Jennifer takes the lead in both facilitator training and ongoing support, as well as case management. Her experience as a credentialed teacher contributes to her capacity as a trainer, and she loves energetically engaging participants around topics she is passionate about.

Matthew Hartman


Based in Portland, Matthew Hartman holds a Master's degree in Conflict Transformation and has a rich background as a facilitator, mediator and trainer. Working across the US and internationally, he has provided facilitation, consultation and training in conflict transformation, mediation and restorative justice to non-profit, public and corporate sectors. With both private and public sector leadership experience, Matthew utilizes an empowering and collaborative approach to working with people. His natural style and ability to put individuals and groups at ease assists all parties in achieving their goals through listening, transformative dialogue and creative problem solving.

Shadell Permanand


Shadell Permanand has more than 17 years of experience in the areas of conflict resolution, restorative justice and cultural diversity. Her key roles have included Executive Director of a conflict resolution and restorative justice organization in Toronto, Canada as well as senior leadership roles at York University and University of Toronto related to conflict resolution, crisis management, developing restorative student conduct programming, equity/diversity and public education. Shadell is an engaging facilitator who is passionate about developing environments that support equity, inclusion, restorative justice and constructive conflict resolution.

Jenna Mack


Based out of Fort Worth, Texas, Jenna is a Licensed Professional Counselor and has a Master’s degree in clinical mental health from the University of North Texas.  She has worked in a variety of workplace settings including inpatient, outpatient, domestic violence shelter and long term services. Jenna specializes in working with problems related to relational aggression, violence, bullying, and conflict. Her breadth of experiences, passion for working with participants and love of knowledge and growth makes her an engaging and energizing trainer.

Aaron Lyons


Aaron holds a Masters Degree in Conflict Transformation and is an experienced facilitator and trainer specializing in mediation, conflict resolution and restorative justice. Throughout his career he has provided leadership for a variety of organizations, and for close to 15 years, he has facilitated high-conflict conversations for both small and large groups of people. Aaron has a passion for supporting people through high-stakes and emotionally charged conversations. In addition to training with ACHIEVE, he is a consultant in private practice, where he works with schools, criminal justice and other organizations both locally and internationally. A passionate facilitator, he brings an upbeat, insightful and engaging presence to all of his workshops.

Nick Ladd


Nick holds a Master's degree in Elementary Education and is a licensed Elementary and Middle School Teacher in Michigan. He has worked extensively with both adults and youth in a variety of educational and community contexts. Nick is a proven leader with nearly every organization he has been a part of.  He is a naturally engaging presenter with a passion for creative and interactive teaching.

David Boehm


David Boehm has over twenty years of working in the US agricultural industry and currently is the R&D Director for a US research program. He has provided leadership for independent family-owned businesses and large multi-national organizations in the areas of marketing, communication and management support, and has collaborated with a wide range of university and industry partners. Based in Fargo, North Dakota, David makes training material come alive for groups through personal experiences and real-life interactions.