David Zwick, Inteliquent's CFO, is the latest in a string of executives to leave the troubled wholesale voice tandem provider.
Other than telling the company's board of directors he has decided "to pursue other personal and career opportunities, effective immediately," Zwick provided no details on why he is stepping down.
Taking Zwick's place is the company's controller Eric Carlson, who has been appointed to serve as interim principal financial officer and interim principal accounting officer. Carlson has been serving as Inteliquent's controller since 2004.
The company's board of directors is now conducting a search to find a permanent replacement for the CFO position.
Zwick is just one of many members of management to depart the company in recent years.
After Inteliquent struggled to make a profit from its acquisition of wholesale Ethernet provider Tinet, Surendra Saboo, president and chief operating officer, and company CFO Robert M. Junkroski announced last September they would step down. Later, Inteliquent sold Tinet to GTT, a virtual network operator, for $54.5 million.
Earlier this month, the company received a letter from Nasdaq that it was not in compliance with the stock exchange's listing rules and faced a lawsuit from an investor claiming the service provider violated a Securities and Exchange Commission (SEC) rule.
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