Senior Management

Walnut Street Center is able to offer the services it does thanks to all of the amazing staff and support workers who are a part of the organization and work tirelessly to provide their skills and services year after year. The relatively small Senior Management team has a combined 100+ years of experience in the human services field, and have all worked to improve and build upon Walnut Street Center’s programs and offerings during their time with the organization. With the ability to have a completely hands on and personalized approach because of the size of the team and the center, they each bring their passion, as well as their skill, to the management of Walnut Street Center.

carolyneChief Executive Officer
Carolyne Guffey

Carolyne came to Walnut Street Center in November 2011 as Chief Operating Officer with 26 years’ experience in the human service field. Carolyne’s previous experience includes direct care positions, human resources, and operational management. Carolyne brings a unique combination of operational and management expertise to Walnut Street Center’s leadership team. Ms. Guffey holds an Associate Degree in Nursing from Bunker Hill Community College, a Bachelor of Arts degree, with a focus in management and organizational psychology from Cambridge College and a Master of Business Administration from Norwich University. She began her current role as CEO of Walnut Street Center at the beginning of 2017 and will be key in the move to the new Medford location.

juan-gChief Financial Officer
Juan Gomez

Juan began his association with Walnut Street Center in May 1999 as the chief financial officer. Juan has over 16 years’ experience in human services and has a comprehensive understanding of the finances as they relate to the field. Juan is an intricate part of the Walnut Street Center leadership team who strives daily to realize the agency’s mission.

victoriaDirector of Human Resources
Victoria Prestejohn

Victoria Prestejohn joined the Walnut Street Center in 2013 as a Human Resources Generalist. In May 2015, Victoria was promoted and is currently the Human Resources Director. In this position, she manages employee and labor relations, leaves of absence including FMLA and Worker’s Compensation, and oversees the recruiting and benefits administration. Previously, she was the Human Resources Coordinator for The May Institute’s Adult Services Division in Revere, MA.

Victoria holds a Bachelor of Arts Degree in Psychology from Stonehill College, with a minor in Business Administration. In addition, she completed her Professional in Human Resources (PHR) certification and is a SHRM Certified Professional.

evaDirector of Residential Services
Eva Osagiede

Eva began her association with Walnut Street Center in December 2012 as the Assistant Director of Residential Services. Eva has over 13 years’ experience in the human service field with a strong focus on residential services and individual supports. Eva was promoted to the Director of Residential Services in August 2014 after demonstrating a proven ability to provide leadership to a multi disciplinary staff team and to provide the highest quality services across at all times.

jay-hDirector of Day Services
Jay Hayston

Jay Hayston currently serves as Walnut Street Center, Inc.’s Director of Day Services. Mr. Hayston began his association with Walnut Street Center in 2014 as the Assistant Director of Day Services, asked to focus on audit preparation and the transition from sheltered workshop to community-based day programming. In May of 2015 he accepted the Director of Day Services role and has primary oversight for all day program operations: Community-Based Day, Day Habilitation, Group Employment, and Individual Employment services.

Jay has more than ten years’ experience in human services, as well as degrees in psychology (BA) and business (MBA).  He is grateful to serve on the board for the Massachusetts Day Habilitation Coalition and enjoys working as a CARF program surveyor in his spare time. Alongside passion for nonprofit work, he brings a proven combination of project and people management skills to Walnut Street Center’s senior management team.

Director of Facilitieshayden
Hayden Roc

Hayden came to Walnut Street Center in April 2013 with over 11 years’ experience in the property management and facilities maintenance sector. Hayden’s experience and expertise in these areas has made a significant improvement to all the facilities owned by Walnut Street Center. Hayden continues to work on improving the living standards for all the individuals served by Walnut Street Center.

Director of Quality Assurance and Training
Suzanne Henderson

Suzanne joined Walnut Street Center in January 2017. She strives to find the delicate balance of passion, vision, details and data that allow an organization’s mission to shine. Suzanne has over 15 years’ experience in human service management, including residential operations, quality assurance, training, and licensing/certification. She has a degree in Cognitive Science from Johns Hopkins University, with continuing education and credentials in housing, quality improvement, and business. Suzanne believes that people of all abilities should be lifelong learners, and she appreciates being the trainee as much as the trainer.

Board of Directors:

John Mahoney

President                                                                                                                                                  Joseph Churchill

Stephen Prescod

James Griffiths