Gloucestershire have appointed David Graveney and Charles Cook to the club's executive board with immediate effect.
Graveny, their former captain, said: "I am honoured to have been invited to sit on the board and look forward to making a meaningful contribution."
The club are undergoing a redevelopment of their Nevil Road home, costing £6m.
And Cook, a prominent lawyer, said: "The development of the ground will ensure that first-class cricket will keep being delivered."
Graveny joined the club in 1972 and also played for Somerset and Durham. He is currently the ECB`s national performance manager and former chairman of England selectors.
Cook is currently a managing partner of a property firm.
Chairman Rex Body believes their backgrounds can bring "valuable experience and expertise."
Body added: "David will fill the vacancy created by Jack Russell, who is standing down because of his current business commitments.
"Charles fills a long-standing gap in our board and both are joining at a very exhilarating time."