Despite lengthy negotiations, collective bargaining talks collapsed on April 4.
As the bargaining talks continued in December, sporadic violence broke out.
For Bell Atlantic, which has 27 million customers in 13 states, the agreement ended many months of bargaining talks.
His aides said they hoped to accomplish even more in their first full round of collective bargaining talks, now under way with several major unions.
Bieber oversaw a fourth round of collective bargaining talks in 1987.
The union participated in all collective bargaining talks to seek a national master contract.
Unlike in past seasons, there are no looming collective bargaining talks or many pressing issues to discuss.
The next scheduled bargaining talks will probably be held on Thursday in Manhattan.
During all of last week, the board's questions and reservations had slowed the bargaining talks.
A Nederlander spokesman declined to comment because the issue is the subject of collective bargaining talks.