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CATHALSON is the CEO & President of Cathal Entertainment an “Intellectual Property” development firm and publishing house located in South Florida.CATHALSON is the creator of the Grace Flynn Chronicles. He is also a Writer and Fiction Development Consultant for many IP Holders including; AntiMatter Games and the Edgar Rice Burroughs Inc for which he is developing and publishing fiction lines.

CATHALSON has appeared at over 350+ Conventions / Libraries and Pop Culture Media Events.

CATHALSON is represented by 5X5 Productions.

CATHALSON  LLC. – Holds and Owns all Copyright and Trademarks to (Cathalson / Grace Flynn and all Intellectual Properties created by Cathalson).