Norfolk Southern Corporation, one of North America's largest railroads, is embroiled in controversy as its CEO, Alan Shaw, is under investigation for alleged ethical lapses. The Atlanta-based company confirmed the investigation on Monday, marking the latest in a series of challenges for Shaw, who has faced mounting pressure since assuming the top role in May 2022.

A spokeswoman for Norfolk Southern declined to provide further details regarding the nature of the allegations against Shaw. However, the railroad's board has taken the step of hiring an outside law firm to conduct a thorough investigation into the claims that Shaw's conduct may have been "inconsistent with the company's code of ethics and company policy."

The investigation into Shaw's behavior comes on the heels of a tumultuous period for both the CEO and the company. Shaw's tenure has been marred by significant crises, most notably the catastrophic train derailment in East Palestine, Ohio, in February 2023. The accident, which resulted in the spillage of hazardous chemicals and a subsequent fire, prompted widespread evacuations and became one of the worst railroad disasters in the past decade. The incident not only put Norfolk Southern under intense scrutiny but also placed Shaw in the crosshairs of public criticism.

Adding to Shaw's woes, this year saw a fierce boardroom battle with activist investor Ancora Holdings. Ancora launched an aggressive campaign to overhaul Norfolk Southern's operations, starting with a bid to oust Shaw. While three of Ancora's nominees successfully secured seats on the railroad's board, they fell short of gaining full control. Ancora has remained tight-lipped about the ongoing investigation into Shaw, declining to comment when reached for a statement on Monday.

The Wall Street Journal reported on Monday, citing sources familiar with the matter, that Shaw is expected to step down amid the investigation. This report follows a CNBC article published on Sunday, which alleged that Shaw had engaged in an inappropriate workplace relationship-a claim that has further fueled speculation about his potential departure.

Norfolk Southern has yet to make an official statement regarding Shaw's future with the company. The lack of clarity around the situation has led to a flurry of speculation within the industry, particularly given the critical timing. Shaw's leadership has been under question not only because of the East Palestine disaster but also due to the broader operational challenges facing the railroad.

Since taking over as CEO in 2022, Shaw has been tasked with navigating Norfolk Southern through a series of crises, including the derailment and the subsequent boardroom showdown. His ability to steer the company through these challenges has been closely watched by both industry analysts and investors. The ethical investigation now places additional strain on Shaw's leadership and raises further questions about the direction of the company under his tenure.

Interestingly, despite the turmoil surrounding Shaw, Norfolk Southern's shares rose by 2.7% in aftermarket trading on Monday, signaling that investors may be anticipating a leadership change. The stock movement suggests that the market could view Shaw's potential departure as a positive development, especially in light of the recent boardroom tensions and the ongoing ethical probe.

Norfolk Southern's board, which is tasked with overseeing the investigation, will have to make critical decisions in the coming days. The outcome of the probe could not only determine Shaw's future but also impact the broader strategic direction of the company. With Ancora Holdings continuing to exert pressure and the company's public image at stake, the board's actions will be closely scrutinized by stakeholders.