Leadership

Executive Bios

  • Mark L. Raphael

    President Close

    Mark is the Founder and President of River Management Development & Realty. Mark has been involved in Property Management for over 25 years.... Learn more He is a Professional Community Association Manager (PCAM) the highest designation awarded by the Community Association Institute (CAI); many of our managers are Certified Managers of Community Associations (CMCA). Mr. Raphael is the past chapter President of the Hudson Valley CAI.

  • John Piastra

    Vice President Close

    John joined River Management in June 2002. John has a B.A. from Ohio Wesleyan University and a J.D. from St. Johns University School of Law.... Learn more Prior to joining River Management, he was an attorney in private practice and thereafter worked in Property Management in the New York metropolitan area for 11 years, specializing in leasehold condominiums in Battery Park City. He is responsible for overseeing the Association Management Division.

  • Sandra Pennisi

    Head of Accounting Close

    Sandra Pennisi joined the River Management team in 2003. She earned her Associates in Accounting and is currently working towards her Bachelors... Learn more in Accounting at Everest University. Sandra has experience in all facets of community association management and is now the Head of Accounting with River Management.

  • Charles Knapp

    Field Services Director Close

    Charles joined River Management in 2003. He has more than 35 years experience in the maintenance and service industry. Charles has experience... Learn more in all phases of maintenance including commercial and residential.

  • Craig Koss

    Senior Vice President, Accounting Liaison Close

    Koss is responsible for the oversight of 13 Associa branch offices throughout the United States. His responsibilities in this capacity include... Learn more serving as a mentor to the branch CEO’s to help them achieve Associa’s core corporate objectives as well as uphold Associa corporate policies. Koss also educates each CEO in a variety of areas including how to improve company performance, business planning and innovation.

    Additionally, Koss serves as the SVP liaison to the corporate accounting department and is the business analyst for the SVP team, as well as participating on the Associa Education Committee. Koss previously served as the CEO of Kramer-Triad Management Group in Michigan and has worked in the community association management industry for nearly 30 years, including 17 years with Kramer-Triad. He was promoted to RVP in 2008.

    Koss holds both the AMS and PCAM designations from the Community Associations Institute (CAI) and previously served on the Education Committee and Managers Networking Committee for CAI. He was also an inaugural board member and served five years on CAI’s Association of Professional Community Managers (APCM). He was appointed to CAI’s board of Trustees and is a current member of the CAI Designation Ethics Committee. Koss received CAI’s Excellence Award in 2006.

    An inaugural member of the Associa Ambassadors Circle, Koss and his wife are the parents of two children. He enjoys boating, hunting, fishing, but has one true passion – Michigan Football.

    Favorite Quote – “What the mind can conceive, the mind can achieve and those who stay will be Champions.” – Bo Schembechler