November 11, 2014 – U.K.-based executive search firm Calibre One has appointed Eoin O’Toole as managing partner of Arete Partners. Arete Partners is the sister company of Calibre One and operates in the under-serviced mid-market area. Arete recruits for manager, senior manager, and director-level positions. Mr. O’Toole was previously managing director of CVPartners, where he managed the firm’s retained, contingency and consulting search services for the technology sector. “Several of our clients have been eager for us to provide full recruiting services across their enterprise. We have been equally keen to expand our offerings. After an exhaustive search, Eoin is the ideal executive to run Arete and has made this dream a reality,” said Dan Grosh, managing partner of Calibre One U.S. Based in North America, Europe, and Asia, Calibre One is an international boutique executive search firm specializing in working with technology-centric businesses.