Dick Wolf, a two-time Emmy award-winning writer, producer, and creator, is the architect of one of the most successful brands in the history of television NBC's Law & Order, one of the longest-running scripted shows. Wolf is also the creator and executive producer of Chicago Fire and Chicago P.D. He has won numerous awards, including Emmys for Outstanding Drama Series (Law & Order) and Outstanding Made-for-Television Movie (Bury My Heart at Wounded Knee); a Grammy; and an Edgar. Wolf is the New York Times bestselling author of The Intercept and The Execution. The Ultimatum is the third book in his Jeremy Fisk series. He lives in Southern California.

Eric Bogosian is the author of "Mall, " the plays "Talk Radio, subUrbia" and "Griller", and the Obie Award-winning solo performances "Drinking in America, Pounding Nails in the Floor with My Forehead" and "Sex, Drugs, Rock & Roll." He is the recipient of the Berlin Film Festival Silver Bear Award, a Drama Desk Award, and two NEA fellowships. An actor who has appeared in more than a dozen feature films and television shows, Bogosian lives in New York City.