About

John Kostohris is a professional and thoughtful individual known for his integrity and willingness to listen. He is respected for his strong moral character and exemplary conduct.

Reviews & Endorsements

Experience

David Maslow

9/26/2026
Provided a score of  
10
  for John Kostohris

Peter Del Castillo

9/23/2026
Provided a score of  
10
  for John Kostohris

Evan Markel

9/21/2026
10

"The word that comes to mind when considering John and his work is “excellence”. He is very gifted in creativity, intellect and execution, but he also has the humility and discipline to progress his work further. John is driven by relationship, and working with him is a joy. John’s professionalism and character have my utmost endorsement."

Mark Kostohris

9/15/2026
10

"John is a wonderful person, and a delight to be with."

Anthony Matos

9/15/2026
10

"John is a good man, professional, and always willing to listen. He was an example to me of a man of God."