"This is not a closure programme, the service for our customers will continue through a retail partner in the town, " insisted the Post Office spokesperson.
In April, he became a partner at Developer Town, a warehouse full of small houses where every employee has their own small residence, and business ideas are brought to life.
Now Treybig, 58, spends his time advising a series of young companies on recruiting managers and raising capital as a venture partner with Austin Ventures, the town's dominant venture capital outfit.