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Mario Diana was born in the island of Sardinia, Italy. He has worked as door to door salesman, construction worker, marketing consultant and airline employee.
Eventually he went to medical school and trained  as a trauma and plastic surgeon in Virginia, Florida and Texas, specializing in cosmetic surgery.

He witnessed first hand the full spectrum of human pain and compassion, love and courage captured in the unique protagonists of his own stories.
After retiring from surgery he lives in Plano, TX with his wife Debra and their three children.

His first series, Synchrony, follows the journey of Jay Aldan, a conflicted Time Traveler from a dystopian future who meets the girl of his dreams. The only problem is, she lives in another century and her very existence may cause the destruction of his world. Out of Time is the first book of the Synchrony series.