| Company | Timeline | Status | |
| Erw Gron (Bethesda) No. 1 Management Company Limited Director • Staff Nurse | 7 Sep 2011←1 Year 4 Months→29 Jan 2013 | Active | |
| Erw Gron (Bethesda) No. 1 Management Company Limited Director • Staff Nurse | 25 Jul 2007←7 Years→13 Mar 2015 | Active | |
