LONDON (Dow Jones)--A major shareholder in property investor Sirius Real Estate Ltd. (SRE.LN) Friday wrote to other stakeholders, urging them to back its proposed changes to the board at an upcoming extraordinary general meeting. Weiss Asset Management, whose managed funds currently own around 21% of Sirius, said it believes its proposed directors have the expertise to complement the strengths of the existing asset management team led by Chief Executive Kevin Oppenheim. Rolf Elgeti, currently the chief executive of German property company TAG Immobilien AG (TEG.XE), Michael Neuburger, the chief executive of Treveria PLC's (TRV.LN) internal asset manager, and Eitan Milgram, an executive vice president at Weiss Asset Management, have been proposed to join the board as non-executive directors Sirius, which focuses on commercial sites in Germany, wasn't immediately available for comment. An extraordinary general meeting will be held July 30. -By Rachael Gormley, Dow Jones Newswires; 44-20-7842-9308; rachael.gormley@dowjones.com (END) Dow Jones Newswires July 16, 2010 02:59 ET (06:59 GMT)