Leadership Team



Tracey Hamlet,
Executive Director

In her Executive Director role, Tracey works collaboratively with internal and external partners to support solutions for providing high quality services for people in our community.  Tracey believes in our mission and is passionate about MOKA because we are an agency that is “grounded” in, and has never strayed from, a grassroots advocacy for people who need support to gain a stronger voice and full community belonging.

Bryan Voss,
Finance Director

Bryan helps support our team through the management of the financial health of the organization. Currently, this management includes the accounting, property, and information systems team areas. Bryan believes that MOKA is an organization that lives its mission and truly cares about the people that we serve and enjoys being able to help guide the financial strategies that allow us to continue and even expand this mission.

Dorothy Bowne,
Human Resources Director

Dorothy has the privilege of supporting MOKA’s amazing employees! She loves being part of an organization that is making a real impact in the lives of the people we serve.

Emily Betz,
Director of Programs

Emily has the privilege of supporting the work that is done in our Programs. She loves working for an organization that truly lives its mission of “creating opportunities for independence and acceptance.” Emily believes our work impacts West Michigan in a way that in the future we will no longer need to be working toward acceptance but instead will be working toward membership of every person of the community, disability or not.

Michael Gross,
Director of Process Improvement

Michael works in collaboration with program and shared services leaders to achieve improvements in operational performance, efficiency and effectiveness throughout the agency. Michael leads the agency’s Information Technology team and champion’s process improvement and data analysis in order to achieve measurable improvements. It has become very important to Michael to work at something that positively impacts the lives of others.  When he first saw this position and studied the focus and goals of MOKA, he knew this is what he wanted to do.  Michael looks forward to the years that come and meeting with everyone.

Daniyel Baer,
Regional Director of Residential Services, MOKA North

Daniyel has the privilege of leading residential services for Kent and Muskegon Counties.  Her mission is to ensure that everyone has a place to call home.  Daniyel is passionate about helping others and is committed to MOKA’s Culture of Gentleness philosophy.

Tom Zvirgzds,
Regional Director of Residential Services, MOKA South

Tom supervises residential services in Ottawa and Allegan Counties. He loves that every day is filled with possibilities to help others, and being part of a strong, active, skilled, supportive, and fun team that makes lasting impact.

Nicole Knights,
Director of Community Supports

Community Supports offers an array of programs and services to help individuals lead their best lives. It’s Nicole’s job to ensure that every person is supported in the most beneficial way possible through MOKA services. She enjoys helping people served by MOKA to gain the knowledge and skills necessary to be successful and accomplish their goals through community connections that support their health and well-being. Investing in people, teaching self-advocacy, and helping every person reach their goal/s is the most fulfilling work that Nicole could ever do.

Angel Reese,
Performance Improvement Specialist/Corporate Compliance Officer

Angel supports the overall assurance of quality processes for the agency including direction of MOKA’s CARF accreditation activities, gathering consumer stakeholder input and satisfaction, program evaluation, performance improvement and outcomes management. Angel enjoys her role as she is able to see the positive impact of on the lives of people served at MOKA.

Samantha Brigham,
MOKA Foundation Development Director

Samantha has the privilege of leading MOKA’s Development Team and is focused on the maintenance, growth, and prosperity of the Foundation. Passionate about relationships, Sam’s superpowers include bridging the connection between MOKA’s internal and external audiences, donor relations, and fundraising. Sam is committed to the success of the people MOKA serves and is continuously amazed by MOKA’s positive culture and dedication to its mission.

Elisabeth Sytsema,
MOKA Foundation Development Associate

Liz supports the foundation in a number of ways: donor relations, fundraising, and creating social posts.  She is passionate about capturing and sharing stories that embody MOKA’s mission. She is motivated each day by the positive impact our organization has on the people we serve and the surrounding community.

Nate Tubergen,
IT Manager

Nate serves the organization in managing the IT Department including support, system maintenance and improvement, and identifying technology solutions that best serve MOKA. Nate believes that non-profits are the true lifeblood of a society, and is proud to be part of the MOKA team.

Tom manages and administrates Mpower (MOKA’s electronic clinical record) which includes overseeing system maintenance, user training, testing, enhancements, and long-term system development.

Tom loves the challenge of working through complicated problems/learning new things daily and is grateful for the privilege to work with excellent team members who have helped him grow in so many ways.

Tom Miller-Edwardson,
ECR Administrator

Hannah Kater,
Executive Assistant

Hannah provides a wide range of administrative and executive support to optimize the effectiveness of the executive leadership team. She loves that her job allows her to be a part of the positive difference being made in the lives of the people we serve.

Lisa Perdaris,
Executive Assistant of Programs

Lisa provides executive level administrative support for leadership  and executive leadership and supports the forward movement of agency initiatives related to programming, agency trainings, ORR/licensing processes, committees, quality improvement, CARF standards, and much more.

Lisa appreciates MOKA’s deeply rooted mission and culture.  This is an agency where she is able to openly and safely share input and an agency where she feels her input is valued.  Lisa likes the autonomy she has, which allows for her to be more creative.  Lisa feels very fortunate to work with such an amazing team of leaders.

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You can make someone’s future brighter with the simple click of a button. Whether it is by providing a person the opportunity of inclusion in the community, supporting a person on their journey to employment, or helping someone with disabilities reach their full potential, your gift changes lives. Give the gift of a brighter future.