Board of Directors


Chairperson: Barry M. Masek, Baker Tilly, LLP

Barry M. Masek is a partner at Baker Tilly Virchow Krause, LLP, where he has worked since 2006, and is the Chicago office’s regional market leader. Barry has more than 30 years of experience serving middle-market and large manufacturing and distribution companies. Prior to Baker Tilly, Barry served as chief financial officer at a large distribution company. Prior to that, he was a partner at Arthur Andersen.

“Clearbrook is a great organization that provides special services to special individuals and families. I am glad I can provide some of my skills and experience and assist this dedicated group anyway I can.”

Arly 1vice-chairperson: Arly J. Guenther, Arlington Computer Products

Arly is the vice chairman of Arlington Computer Products, where he has worked since 1985. He has over thirty years of experience managing a company that provides I/T products and solutions to corporate customers. His firm is located in Buffalo Grove but supports customers on a national basis. Arly has an MBA from the Kellogg Graduate School. He was on the board and chaired the Audit Committee at Lurie Children’s Hospital.

“Clearbrook is an outstanding organization that enhances the quality of life for disabled individuals. It is a pleasure to be able to assist such a dedicated team of individuals as they work to enrich many lives.”

frank ten brinktreasurer: Frank ten Brink

Frank J.M. ten Brink has nearly 20 years of finance experience in high growth environments, mergers and acquisitions. He previously served as executive vice president, chief financial officer and chief administrative officer at Stericycle, Inc. from June 1997 until August of 2014. He continues to be their senior vice president, M&A. He also previously served as senior vice president and chief financial officer at Telular Corporation. Between 1991 and 1995, he was vice president and chief financial officer of Hexacomb Corporation. Frank studied international business at the Netherlands School of Business and received an MBA in finance from the University of Oregon.

“Having a son with a disability has opened my eyes to the needs, especially in Illinois, to have services like Clearbrook. When a former Chairperson asked me if wanted to join the Board approximately 10 years ago, I was not only honored, but also very excited to be able to help such a great organization serving so many people with needs.”

Ed FiorentinoEdward J. Fiorentino, TerSera Therapeutics

Ed Fiorentino is the chairman and chief executive officer of TerSera Therapeutics. Ed has a close family connection to Clearbrook, as well as years of business and volunteer leadership experience. He has dedicated his entire professional career to the health care industry and has founded three specialty pharmaceutical companies. Previously, Ed was a senior executive and corporate officer at Abbott. He graduated from State University of New York and earned his MBA from Syracuse University. His philanthropic interests include organizations which serve people with disabilities, especially autism, as well as Catholic educational and religious organizations.

“Clearbrook is a unique organization filled with some of the most dedicated, caring, and compassionate people that I have ever been associated with. They make a difference every day in the lives of people with disabilities”.

Paul NigroPaul N. Nigro, deloitte consulting llp

For the past 28 years, Paul has directed M&A and systems and operational integration efforts for public and private companies. He has deep expertise integrating both business and technology processes for health care organizations. Paul is a managing director in Deloitte Consulting’s M&A health care and life sciences practice and assists clients with post-merger integration efforts including planning for day one activities. Prior to Deloitte, Paul served as senior vice president, transformation, and CIO for Brookdale (NYSE: BKD. He currently leads the Technology Committee for Clearbrook. He is well versed in cybersecurity practices, HIPAA Security requirements and our complex regulatory environment. Paul held senior information technology and finance positions within the hospitality industry prior to joining Brookdale and has over 20 years of experience in health care. He holds a bachelor’s in accounting from the University of Illinois at Urbana-Champaign and is a Certified Public Accountant (CPA).

“Clearbrook has been a part of my family for many years as my cousin, Joe, is a long-time client. Because of his participation, I have attended numerous fundraising events and worked with other family members and Clearbrook staff and will continue to help out in any capacity I can. It’s a reward and a privilege for me to help people with special needs.”

Mark L. Prager, Foley & Lardner LLP

Mark L. Prager is a litigation lawyer and partner with Foley & Lardner LLP. He is a member and former chair of the national bankruptcy and business reorganizations practice and has been an adjunct professor of law both at Washington University in St. Louis and the Northwestern University School of Law in Chicago. Mark lectures regularly at legal education seminars and his insightful commentary has been utilized by national and local media, such as CNN Business News, The Wall Street Journal, and Crain’s Chicago Business. He received his undergraduate degree, magna cum laude, from the University of Illinois and his law degree from Washington University School of Law. He is also an avid student of the martial arts and a black belt in Tae Kwon Do.

Mark’s motivation and commitment to the Board of Directors comes from his son, Joseph, a proud Clearbrook client and resident.

Brian N. Rubin, J.D., Rubin Law A Professional Corporation

Brian Rubin brings the experience of being a parent of an adult son with autism (a Clearbrook client), as well as an extensive legal background, to his membership on Clearbrook’s Board of Directors. As an attorney, his law practice is dedicated to appropriate legal & future planning for his fellow families of children and adults with special needs. Having served on many committees at both local and state levels, Rubin currently serves as co-chair of the State of Illinois Autism Task Force since 2005, is the immediate past-president of Arc of Illinois, serving on the State of Illinois Guardianship & Advocacy Commission, is past chairman of the State of Illinois Department of Human Services Statewide Advisory Council on Developmental Disabilities, and served on the Quality Care Board, overseeing the Illinois Department of Human Services Office of the Inspector General. In addition to Clearbrook, Brian serves on the boards of many organizations that provide community services, programs, and advocacy for individuals with developmental disabilities, including past chairman of the Special Leisure Services Foundation (Foundation for the Northwest Suburban Special Recreation Association), PACT, Inc., Keshet, Encompass, and Northpointe.

“Words seem so inadequate to express my family’s appreciation for all that Clearbrook has done for our son, Mitchell. I sincerely feel privileged to serve on the Clearbrook Board, and to be a member of the Clearbrook family.”


Sharon Wein is a special education teacher for the Special Education District of Lake County. Sharon began her career in 1979 as a teacher at Stevenson Elementary School in Mt. Prospect, Illinois. After three years, she took a break from teaching to raise her three boys. In 2001, she reentered the teaching field as a special education teacher for the Special Education District of Lake County. Over the past nineteen years, she has focused on working in all areas of special education, from children with severe and profound disabilities to autism, behavior disorders, and the emotionally disturbed. Prior to her involvement with Clearbrook, Sharon served on the parent committee for Keshet.

“What an incredible gift Clearbrook has given us. I feel so grateful and lucky that our son, Daniel, is with Clearbrook. Thank you Clearbrook for keeping our family members and all the clients safe, cared for, and happy under your continued care. I am honored to be on the board and look forward to the opportunity of working closely with the Clearbrook community.”


David Flanagan, Client

“I’m happy. I feel more responsible. Clearbrook feels like a family.”


Elizabeth Racette, Client

“Clearbrook has done so much for me and it’s made a big difference. It’s a good feeling. It has broadened my horizons.”

Jennifer Gott, Client

“Clearbrook helps me to be more independent and to get a job in the community. Clearbrook cares about the clients.”

Julie Stoltzner, Client

“Clearbrook is all about living in a house with others where I have my own bedroom. I love being here.”


Joe O’Brien, Client

“I feel good here. At my house, we work as a team. I’ve learned how to make my own dinner. It’s a good feeling.”