Board Members

Nathan P. Allison

Associate Director, Merck & Co. | Board Chairman

With over 15 years of experience in the pharmaceutical industry, Nate is an Associate director in Global Regulatory affairs at Merck & Co.  Nate is active in a variety of other organizations including being big brother in the Big Brother Big Sister organization and a volunteer at Back On My Feet where he was named “Volunteer of the Year” in 2009.  He was also instrumental in building HeadSharp Training LLC, a new and innovative “mind + body” peak performance company providing athletes and entrepreneurs with the tools they need to succeed on and off the field.

Nate is also an active Triathlete and is a member of the Snapple National Triathlon team.

Mr. Allison is a graduate of the Gwynedd Mercy University and a Certified Project Manager. He resides in Center City Philadelphia.

Michael Silver

Retired Special Education Teacher, School District of Philadelphia | Treasurer

Retired after 35 years with the School District, Michael was the Special Education Liaison (SEL), Roster chairman, and Governance Council Chair for the AMY at James Martin School. Michael is currently serving as a director on the Board of the Friends of the Cinnaminson Library and is a Rutgers Master Gardener of Burlington County.  He is a Past President, Financial Secretary, and Treasurer of Temple Sinai Cinnaminson.

Michael Silver graduated from Glassboro State College (Rowan University) with a Masters of Education and state certification as a Learning Disability Teacher consultant.  He is a certified elementary education and special education teacher as well as a reading specialist.  He currently resides with his wife in Cinnaminson, New Jersey.

Alysia Marino

Senior Spec Pharma Representative, GlaxoSmithKline | Secretary

During Alysia’s 15 years at GlaxoSmithKline she has pursued many developmental programs, but the one that connected her most with her enthusiasm for life and living sustainably was her Pulse Volunteer Partnership experience with GreenTreks. She is excited to be continuing her involvement after her assignment as a member of the Board of Directors. Outside of work Alysia enjoys running, riding bikes with her son, and organic gardening. She holds a BS in Biology from Southern Connecticut State University and is passionate about minimizing negative impacts on the environment. Alysia resides in Connecticut.

Isabel Pilling

Science Teacher, School District of Philadelphia| Board Member

Isabel has taught Math and Science to students from 6th to 10th grade for 15 years in the School District of Philadelphia, but began her career in environmental science doing consulting and research. Throughout her life she has been an energetic advocate and volunteer for the environment. In 1999, she received the National Sierra Club Inner City Outings ‘Visionary’ award.  She loves the outdoors and spends her free time hiking, camping, paddling and sailing. Isabel holds degrees from Temple, Arcadia and the University of Pennsylvania.  She resides in the Bluebell Hill section of Philadelphia, nestled in the Wissahickon.