Julia Zweig was born in 1982 and attended the German School of Journalism in Munich. She works under her real name in the feature section of a major German daily newspaper.

Dirk W. Eilert, born in 1976, is an expert in emotional intelligence and developer of the mimic resonance method. As one of the leading facial expression and body language experts in the German-speaking world, his expertise is regularly in demand on radio, TV and in the print media. Dirk W. Eilert is married and has two daughters. He lives in Berlin, where he runs the Eilert Academy. 

Mikkel Robrahn was born in Northern Germany in 1991. He spent his childhood there playing handball, video games and reading books. He dabbled with various subjects at University, but ended up leaving to enter the gaming industry. For the past few years, he has dedicated himself to writing humorous, fantasy stories. 

Mehwish Sohail was born in Pakistan and grew up in Styria (Austria). She now lives and writes in Vienna.

Ralf Langroth is the pseudonym of an author with translations in fifteen languages. Four of the author’s books are currently optioned for film adaptation by a top-tier production company. In his novel about BKA man Philipp Gerber and journalist Eva Herden, Ralf Langroth combines his two strengths: historically accurate research and the creation of high tension.

Florian Schwiecker was born in Kiel in 1972 and worked for many years in Berlin as a criminal defense attorney. The idea for his first thriller Betrayal was born during his work for an international business enterprise in the USA. Florian Schwiecker also regularly recommends crime thrillers in his thriller column on freundin.de.