I have 35yrs of working experience and been working with Excel for 28yrs and in the proposal line for the last 15 yrs. I am an APMP (Association of Proposal Management Professional) member and have been for the last 10yrs. I have also got a good knowledge of Excel (intermediate level) and have assisted in building databases, costing schedules and graphs in my line of work. I have developed proposal documents as well built and costed proposals from client RFP's for last 15yrs.