Who are the victims of the deadly Florida jet crash?

The Texas tech entrepreneur, his wife Helen Sharp and their two children, Emma, 4, and Charlie, 2, were all killed in the crash, according to a joint statement from some of the families of those killed.

Their family described them as "devoted parents" and said their children were "the light of their lives".

"Helen and Adam were the love affair that will last forever. Their warmth, generosity and gift for making people feel welcome touched so many lives," the statement reads.

On his LinkedIn page, Robinson described himself as the founder and CEO of RB2B and Retention.com, and the CEO of Moltsets.