John Peter Calamos Sr.Chairman, ceo and global co-cio 1 Oct 2004Other38210Calamos Investments LlcSole member/manager 1 Oct 200475% - 100%20-1768357John Peter Calamos Jr.Svp 1 Oct 2004Other1808633James Stephen HammanEvp, general counsel, cco and clo 1 Oct 2004Other2767492John Peter CalamosCeo/cio 1 Oct 2004Other38210Nick Peter CalamosSr. exec. v.p., cio 1 Oct 2004Other1257230Patrick Henry DudasikEvp,cfo,cao 1 Oct 2004Other1185481Calamos Holdings LlcSole member/manager 1 Oct 200475% - 100%33-0994075David Michael SwansonEvp, director of distribution 1 Oct 2004Other1645507Scott Craven JonesEvp/cao 1 Jun 2005Other2293400Mark John MickeyCco 1 Jun 2005Other2902992Walter Ramsay RandallChief compliance officer 1 Jun 2006Other2379435Patrick Henry DudasikEvp,cfo and coo 1 Feb 2007Other1185481Philip Edward MoriartyEvp,president, calamos financial services 1 Feb 2007Other1989641James Francis BakaEvp,president, calamos wealth management 1 Feb 2007Other2068491James Joseph BoyneSvp-general counsel 1 Apr 2008Other2370445Joseph B OboyleVp,chief compliance officer 1 Aug 2008Other2531817Joseph B O'boyleVp, chief compliance officer 1 Aug 2008Other2531817Cristina WasiakSvp, chief financial officer and treasurer 1 Sep 2008Other1088375Nick Peter CalamosPresident of investments and co-cio 1 Dec 2009Other1257230James Joseph BoynePresident of distribution and operations, secretary 1 Dec 2009Other2370445Jerald Christopher JacksonSvp, general counsel and secretary 1 Apr 2010Other1498328Nimish Sanjay BhattSvp, chief financial officer 1 May 2011Other2789977Elizabeth Anne WatkinsVp, chief compliance officer 1 Sep 2011Other2272542Gary Douglas BlackEvp, global co-cio, cio alternative strategies 1 Aug 2012Other1709937James Joseph BoynePresident & coo 1 Feb 2013Other2370445Jessica Marie MazzaVp, chief compliance officer 1 Apr 2014Other4302198David Henry ButlerEvp, head of global trading and risk management 1 Sep 2015Other1326128John David HillenbrandCo-cio, head of multi asset strategies & co-head of convertible strategies 1 Sep 2015Other2832718David Paul KalisCo-cio, head of us growth strategies 1 Sep 2015Other2149956Nicholas NiziolekCo-cio, head of international & global strategies 1 Sep 2015Other4347475Elias John ParsCo-cio, head of alternative strategies & co-head of convertible strategies 1 Sep 2015Other2543381Robert Francis BehanPresident, head of global distribution 1 Sep 2015Other2319359Mark John MickeyVp, chief compliance officer 1 Oct 2015Other2902992Jacqueline Elizabeth SinkerVp, chief compliance officer 1 Nov 2015Other1471593Laura Calamos NasirSvp, chief administrative officer 1 Mar 2016Other6427394John Spiro KoudounisChief executive officer 1 Mar 2016Other1878118Laura CalamosSvp, chief administrative officer 1 Mar 2016Other6427394Thomas Edward HermanSvp, chief financial officer 1 Jun 2016Other4915058Derek Maurice OlsenSvp, chief of it & operations 1 Feb 2018Other4415327