• Still River Systems (Littleton, Massachusetts) said it has appointed Joseph Jachinowski as its CEO and to its board. Most recently Jachinowski was executive VP of Elekta AB and CEO of Elekta Holdings with overall responsibility for all of Elekta's North American operations. Prior to Elekta, he co-founded IMPAC Medical Systems and served as its president/CEO for 15 years from its inception, through its initial public offering, and culminating in its acquisition by Elekta in 2005. Still River Systems is a private device maker developing proton therapy delivery systems for the treatment of cancer.