Chairperson Joe Reynolds the latest to resign.
An interim board are beginning their work at Naas based Horse Sport Ireland this morning.
Chairperson Joe Reynolds resigned last night, ending a four year term in the post.
It follows the recent departure of several directors over a disagreement about the current management.
The interim board will remain in place until after the 2024 Olympic Games in Paris.

Kildare Gets One Of Smallest Shares In €3.2m Domestic Violence Funding
Electricity Bills To Increase Next Year As Households To Shoulder Majority Of Power Grid Overhaul
Bus Éireann Confirms January Expressway Fare Increase, Cites Insurance And Fuel Costs
NTA Plans 24-Hour Bus Linking Newbridge, Naas And Dublin City Centre
Visiting Only Allowed For Critical Or Compassionate Reasons At Naas Hospital Amid Surge In Flu Cases
Turn2Me Reminds Locals Feeling Down Over Christmas Period To Avail Of Supports Available
Four Naas Car Parks Go Free For Christmas - But Illegal Parking Still Enforced, Says Council
Tractor Convoy To Reach Naas At Around 11am As Irish Farmers Head For EU Protest