2018 CMATD Board

                                                 Organizational Chart 


  Dyan Madrey, President 

Dyan L. Ruffen-Madrey

Dyan is Senior Learning and Development Specialist at MIT who is responsible for the successful design and delivery of instructor-led and eLearning development programs. She focuses on management and employee development, as well as HR’s Diversity and Inclusion programs, and Project Management. She is currently the program manager for Essentials of Managing and Managing for Excellence and a member of the eLearning project team.

Dyan has over 15 year’s experience in coaching, professional leadership development and change management. She possesses exceptional relationship management skills that span all levels of employees. She has done extensive leadership coaching in her in training role at MIT and State Street Corp.

Working in both profit and nonprofit organizations, Dyan has consulted and facilitated sessions in customer service, change management, organization development, behavioral interviewing, performance management, communication skills, problem solving, and team building.

Dyan has an M.S. in Training and Development from Lesley University, a certificate in Project Management from Boston University. She is certified in MBTI through CPP and certified in coaching through the Center for Management and Organization Effectiveness and Greystone Consulting Inc. 360 Feedback tool and Executive Coaching.  She is also mentor with the MIT Office of Minority Education MAP program.



David Hofstetter, Director of Membership

David Hofstetter


David is the Manager, Learning and Development at New England Organ Bank. He is a dedicated organizational development manager with 18+ years’ experience combined with an operational and entrepreneurial mindset that sees the big picture and solves problems, enabling the design, building, and implementation of learning and performance programs that meet strategic organizational goals in financially responsible ways.

He has a strong understanding of organizational development backed with multiple presentations and a solid academic education, including M.S. in Organizational Psychology and a B.S. in Business Administration and a Certificate in Training and Development from Boston University.

Ryan Rosiello, Director of Programming

Ryan Rosiello is an experienced professional passionate about helping individuals and organizations achieve their goals through leadership development, enterprise learning, organizational development, and talent management solutions. Some of the services he provides include in-person and virtual training facilitation, instructional design, program management, coaching, consulting, and team effectiveness. He has previously worked in these areas for The Hanover Insurance Group and Reliant Medical Group.

Ryan is also focused on completing his dissertation for his Ph.D. in Applied Organizational Psychology at Hofstra University. He has a master’s degree in Industrial-Organizational Psychology from Hofstra University and a bachelor’s degree in Psychology from Gettysburg College.

             Dan Twombly, Director of Finance


Dan Twombley

Dan has held a variety of roles at Liberty Mutual Insurance over the last eight years and is currently Director of Product Training for Commercial Insurance.  Prior to joining Liberty Mutual, Dan worked at Allmerica Financial, the former parent company of Hanover Insurance, as Director of Training for both property & casualty and life insurance operations. 

In total, Dan has been in the field of training & development for 31 years, beginning as a member of the U.S. Air Force where he held various worldwide positions supporting large scale training initiatives for Air Force and NATO organizations. 

Dan holds a B.S. in Business and Management from the University of Maryland and a M.Ed. in Adult Education from the University of Oklahoma. 

Dan and his wife, Kathie, are transitioning to the world of “empty nesters” with two children in college and one who has already flown the nest – literally, he’s a pilot!!


 Scott Rolph, Director of Communications 


Scott Rolph is an Organization Development Consultant (ODC) at the Massachusetts Institute for Technology. In that role, he provides internal MIT clients with a range of consulting services, including change management, retreat planning and facilitation, coaching, teambuilding, and customized learning solutions. He also delivers open enrollment workshops on topics related to individual and team effectiveness, management, and diversity and inclusion.

Scott has been with MIT since 2000. He has a masterĀ¹s degree in Conflict Resolution from the University of Massachusetts-Boston and a bachelor’s degree in Classics from the University of New Hampshire. He is a certified Organization Development Consultant Professional (ODCP) through the Institute of Organization Development and a Certified Action Learning Coach through the World Institute for Action Learning.


Director of Marketing - Open



      Director of Volunteers



       Chapter Administrator, Ann Baus

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