| Callsign | DM4RC |
| Name | Marc |
| lis | 2005 |
| loc | JN47ow |
| Profession | Consulting Engineer (Chamber of Engineers) | Real Estate & Facility Manager |
| REM & FM Consultant | |
| Expert for Real Estate Valuation | |
| Expert for Architect Fees | |
| Education | Graduate Industrial Engineer |
| Diploma Facility Manager | |
| Hobbies & | Architecture |
| Interests | Offshore Sailing |
| Scuba Diving | |
| Skydiving | |
| Beekeeping | |
| Mensa Member | |
| Real Estate & Stock Trading |