The crowd gathered outside in the sunshine of St Mary’s, Enniskerry, Co Wicklow, one of the most beautiful churches in Ireland.  Rows of schoolchildren and their parents were there to support their friends Hannah, Cillian, and Rebecca. Their mother, Yvonne, the beloved wife of Keith Ryan, held onto her daughters while her son helped carry his coffin.  Hundreds attended to pay their respects to Ryan, among them some of Ireland’s most prominent business leaders and entrepreneurs, as well as friends from his school days, sporting circles, workplace, and local community. Ryan was the charismatic yet understated managing director of the…