Ernst’s professional activities have included:
- Entrepreneurs Organization, NJ chapter. Past-President, board member for eight years
- EANJ-The Executive Organization of New Jersey. Past-President and Chairman of the board.
- Ernst also has a true passion for children. In addition to many years coaching little league, Ernst is very involved with Daytop of NJ, a provider of substance abuse programs for adolescents. His activities include mentoring and being co-creator of the Edge program, teaching life skills to young adults in recovery. He was also a board member for 2013 Gala featuring Chris Christie, that raised over $550,000.