Trevor Hohns believes that the spin pair can have an impact in England this summer.
Australian selectors will delay the naming of Ashes squad as late as possible owing to the ICC World Cup that starts from May 30.
Cricket Australia chairman has said that there are 18 to 19 names on his mind who he thinks could make the cut.
Chappell, who has been working with Cricket Australia in some capacity or the other over the last 30 years.
Former captain Greg Chappell is set to exit Cricket Australia setup in which he currently serves as a selector and national talent manager.
Wade said he was previously told by Hohns he wasn't gaining selection because he batted too low in Tasmania's order.
Wade, Coulter-Nile and Agar have spoken publicly of their frustration with selectors.
Wade felt the view that he bats too low for Tasmania "doesn't make a lot of sense."
The 20-year-old is one of the brightest batting talents in the country, scoring a double century for Victoria last year -- the first Australian under 21 to do so since Ricky Ponting.
Marsh, along with brother Mitchell and Victoria captain Peter Handscomb, were axed from the Test team for the two-match series against Sri Lanka.