| Tim Barker | director | at Foundation | · Leeds |
| Barker Tim | Member | at Mbabr | · Leeds |
| Tim Barker | Co Founder Director | at Guest Internet Solutions | · Leeds |
| Tim Barker | Logistics and Supply Chain | at Post Office | · London |
| Tim Barker | Member | at Marine & Leisure Solutions | · Godalming |
| Tim Barker | Manager | at Poise Associates Ltd | · Swindon |
| Tim Barker | Head of Credit Research | at Cooperative Financial Services | · London |
| Tim Barker | Proprietor | at The Kitchen Shop | · Welling |
| Tim Barker | Investment Management | at Aviva Investors | · London |
| Barker Tim | Member | at Draefern Ltd. | · Trent, Dorset |
| Tim Barker | director | at Spapool Leisure Limited | · Barford, Warwickshire |
| Tim Barker | Internet | at Zoopla Property Group PLC (Zpg) | · London |
| Tim Barker | Customer Insight Manager | at British Airways PLC | · Harmondsworth |
| Tim Barker | Chief Financial Officer | at Unipower Solutions Europe Limited | · St Albans |
| Tim Barker | Managng Director | at Specialist Training & Consultancy Services Ltd | · Accrington |
| Tim Barker | Member | at Specialist Training & Consultancy Services Ltd | · Accrington |
| Tim Barker | Director | at Acrospire Solutions Ltd | · Basingstoke |
| Tim Barker | Member | at Language in London | · London |
| Tim Barker | CEO | at Yieldbot | · Reading, Berkshire |
| Tim Barker | Hospital & Health Care | at Derby Hospitals NHS Foundation Trust | · Derby |
| Tim Barker | Sales Manager | at Virtualizeit Limited | · Northampton |
| Tim Barker | Management Consulting | at Kainos | · Belfast |
| Tim Barker | Building Materials | at City Plumbing Supplies | · Horspath |
| Barker Tim | Member | at Chantry Computing Limited | · Barnsley |
| Tim Barker | Member | at Schumacher Centre Ltd | · Bristol |
| Tim Barker | Member | at William Bowley Projects Ltd | · Poole |
| Tim Barker | Member | at The Wenlock Box Co | · Broseley |
| Tim Barker | Tim | at Tim Barker Photography Ltd | · London |
| Tim Barker | Member | at Tim Barker | · Maidstone |
| Tim Barker | Member | at Tim Barker | · Basingstoke |
| Tim Barker | Management Consulting | at Tim Barker Consultants Limited | · Sandwell |
| Tim Barker | Environmental Services | at Interface NRM Ltd | · Telford |
| Tim Barker | Non-Profit Organization Management | at HelpAge International | · London |
| Tim Barker | Construction | at Officevision Ltd | · Sawbridgeworth |
| Tim Barker | Head of Credit Research | at Morley Fund Management Trading | · London |
| Tim Barker | Education Management | at Petroc (Formerly North Devon College and East Devon Colleges) | · Barnstaple |