Formerly a lawyer at Masons and Cameron McKenna, Janney spent seven years as a construction partner at Speechly Bircham.
His experience includes acting for contractors, engineering, property and development firms, local authorities, and international consortia on major contentious constructions and engineering claims.
Kingsley Napley's senior partner, David Speaker says: "We are delighted that Michael has decided to join us. His experience and knowledge of the construction industry will be a great asset to the firm and to our litigation and commercial property practice."
Janney says: "Kingsley Napley has an enviable reputation in litigation and dispute resolution and this is a fantastic opportunity to build up the contentious construction side of the practice. It was too good an opportunity to miss.