Greg Whalley

Greg Whalley was a West Point graduate and Stanford MBA who joined Enron in 1992 and rose through the trading ranks to become President and Chief Operating Officer of Enron Wholesale Services, the company’s most profitable division, by early 2000. In August 2001, following Jeff Skilling’s unexpected resignation, Ken Lay elevated Whalley to President and COO of the entire Enron Corporation. During the company’s final months, Whalley took decisive action by firing CFO Andrew Fastow without waiting for formal board approval, recognizing the depth of Enron’s financial problems. After the December 2001 bankruptcy filing, he helped transition the trading operation to UBS Warburg, where he briefly served as managing director before the “legal cloud” from the scandal forced his departure despite never being criminally charged.

Whalley’s email archive in the Enron corpus contains 30,618 messages spanning from May 28, 1999 to November 30, 2002. This extensive archive documents his leadership of wholesale trading operations, his central role in EnronOnline development, and the intense activity surrounding the company’s collapse. His correspondence network included 508 unique senders, with top correspondents including Louise Kitchen (1,166 messages), John Lavorato (769 messages), and Mark Frevert (759 messages).

Career at Enron

Military Background and Early Career

Before joining Enron, Whalley graduated from the United States Military Academy at West Point and served in the U.S. Army during the 1980s. He subsequently earned his MBA from Stanford University, one of the most prestigious business programs in the country. This combination of military discipline and elite business education shaped the direct, decisive leadership style that would characterize his Enron career.

Whalley joined Enron in 1992, entering the company’s trading operation during a period of rapid expansion in the energy markets. Over the following seven years, he rose through the trading ranks, gaining recognition among his peers as a natural leader. By the time the email corpus begins in May 1999, Whalley had already established himself as a senior figure in Enron’s trading hierarchy.

President and COO of Enron Wholesale Services

By February 2000, Whalley held the title of President and COO of Enron North America, as confirmed by his executive assistant Liz M Taylor’s email signature. This position placed him in charge of the company’s wholesale trading division, which generated the majority of Enron’s profits. His responsibilities encompassed gas and power trading, deal execution, and oversight of the rapidly growing EnronOnline platform.

Whalley’s signature terms in the email corpus reveal his operational focus. He ranked as the top “owner” across the entire Enron corpus for terms including “transacting,” “mcmahon,” and “funding,” indicating his central role in deal execution and financial operations. The prominence of “mcmahon” (referring to Jeff McMahon, CFO and Treasurer) in his correspondence reflects the close partnership between trading leadership and corporate finance that characterized Enron’s operations.

His network of key correspondents mapped the organizational structure of Enron Wholesale Services. Beyond Kitchen and Lavorato, Whalley maintained regular communication with Rick Buy (Chief Risk Officer, 661 messages), Philippe A. Bibi (Technology, 632 messages), Raymond Bowen (Finance, 576 messages), Jeffrey A. Shankman (International Trading, 564 messages), and Andy Zipper (EnronOnline, 563 messages). This web of relationships positioned Whalley at the center of trading operations, technology development, risk management, and financial planning.

Executive Committee Participation

Whalley’s calendar entries reveal extensive participation in corporate governance. His most frequent recurring meeting topics included “Executive Committee - Boardroom” (369 instances), “CA Litigation Team Wkly Conf Call” (291 instances), and “Executive Committee Mtgs - Boardroom” (219 instances). The combined 588 executive committee meetings demonstrate his role in corporate decision-making, while the California litigation calls reflect Enron’s heavy involvement in the Western energy crisis of 2000-2001.

Regular meetings with Jeff Skilling, Cliff Baxter (Vice Chairman), Mark Frevert (Wholesale Services Chairman), and John Sherriff (European Operations) placed Whalley firmly in Enron’s inner circle of senior leadership. In May 2001, he was invited to Cliff Baxter’s farewell dinner hosted by Skilling at Brennan’s, a gathering limited to the company’s most senior executives and their spouses.

EnronOnline Leadership

Platform Development and Partnerships

While Louise Kitchen created EnronOnline and served as its President and CEO, Whalley provided senior leadership oversight and engaged directly in business development negotiations. His hands-on involvement in platform partnerships is evident from an April 2000 email discussing a potential technology deal: “i heard that while i was out our technical folks had a discussion. from what i understand, all of the technical issues are workable. given that, lets have a discussion to determine the structure and liklihood of a deal, assuming you are interested.” His willingness to share his personal phone numbers and Yahoo email address for weekend discussions reflects the intensity of his engagement with EnronOnline’s growth.

Whalley also managed relationships with competing trading platforms, balancing the need for distribution partnerships with EnronOnline’s competitive position. In July 2000, responding to an inquiry about potential partnership with RedMeteor.com, he wrote: “we would be willing to discuss an arrangement where enron posts some of its prices directly from EOL to redmeteor, but i question whether his technology is up to it. we are entering into arrangements like this with other trading platforms.” He delegated operational responsibility for such deals to Andy Zipper on the EnronOnline team while maintaining strategic oversight.

Operational Management Style

Whalley’s direct management style is evident throughout his correspondence. Brief, action-oriented directives characterized his communications with subordinates. In one February 2000 email, he wrote: “i’ll try to call you over the weekend. this petcoke problem seems to be a pain. go to the friday 4pm managing directors meeting and let them know what is going on in coal.” This combination of personal follow-up and delegation to established coordination mechanisms reflects his approach to operational problem-solving.

His signature terms also include “fallon” (Jim Fallon, Enron Communications), “sherriff” (John Sherriff, European operations), “frevert” (Mark Frevert), “skilling,” and “baxter,” confirming his regular interaction across divisional boundaries and with top corporate leadership. The appearance of “mckinsey” among his signature terms suggests involvement with McKinsey consultants, who served as Enron’s strategic advisors and had previously employed Skilling.

Elevation to Corporate President and COO

The Skilling Resignation

On August 14, 2001, Jeff Skilling unexpectedly resigned as Enron’s CEO after just six months in the role, citing personal reasons. The abruptness of the departure shocked the business community and intensified scrutiny of Enron’s accounting practices. Ken Lay returned to the CEO position and immediately began restructuring the senior leadership team.

Whalley’s calendar entries from August 1-2, 2001, just two weeks before Skilling’s departure, reveal that organizational change was already under discussion. Meetings scheduled for those days included “Mtg w/Fallon - RE: Retention,” “Mtg w/Frevert & Piper-RE: Future of ENW Office of the Chair,” and “Mtg W/Jeff Skilling.” The “retention” topic suggests concern about keeping key executives during a turbulent period, while the discussion about the “Future of ENW Office of the Chair” indicates leadership restructuring was being planned even before Skilling’s announcement.

Promotion and New Responsibilities

Ken Lay named Whalley to succeed Skilling as President and COO of Enron Corporation, making him the second most senior executive at the company. Mark Frevert was simultaneously promoted to Vice Chairman. This restructuring concentrated power in the hands of the executives most familiar with Enron’s core trading operations, reflecting Lay’s belief that the company’s problems were manageable with the right operational leadership.

Whalley’s email activity spiked during this period. Monthly email volume jumped from approximately 1,500 messages in early 2001 to 5,507 messages in June 2001, the highest monthly total in his archive. This surge reflected both the operational intensity of the pre-resignation period and the crisis management that followed.

Crisis Management and the Final Months

Firing Andrew Fastow

As Enron’s financial problems became increasingly apparent in October 2001, Whalley took decisive action that distinguished him from other senior executives. He fired CFO Andrew Fastow without waiting for formal board approval, recognizing that Fastow’s involvement in the off-balance-sheet partnerships that had concealed Enron’s debt made his continued presence untenable. This willingness to act decisively, even ahead of corporate governance procedures, reflected both his military background and his assessment of the severity of the situation.

Fastow’s termination marked a turning point in Enron’s final weeks. The partnerships he had created, particularly the LJM funds, had allowed Enron to hide billions in debt while Fastow personally profited. Whalley’s recognition of this problem and his action to remove Fastow demonstrated a grasp of Enron’s true financial condition that other executives appeared to lack.

Managing the Collapse

Despite Whalley’s efforts, Enron’s situation deteriorated rapidly through October and November 2001. The company’s stock price collapsed from over $80 per share at its peak to less than $1. Credit rating agencies downgraded Enron’s debt to junk status, triggering collateral calls the company could not meet. A proposed merger with Dynegy fell apart in late November.

On December 2, 2001, Enron filed for Chapter 11 bankruptcy protection, then the largest bankruptcy in American history. Whalley’s archive shows 135 emails in December 2001, down sharply from the crisis peaks but reflecting continued activity during the bankruptcy filing process. The email volume dropped further to just 31 messages in January 2002 and 7 in February 2002 as the company’s operations wound down.

Transition to UBS Warburg

Acquisition of the Trading Operation

In February 2002, UBS Warburg acquired Enron’s energy trading operation for no cash down. The deal preserved what many considered the “crown jewel” of Enron’s corporate empire: the Houston trading floors and the gas and power trading platform that had made Enron the dominant force in energy markets. Approximately 650 former Enron employees joined UBS as part of the acquisition.

Whalley became a managing director at UBS, leading the energy trading operation alongside John Lavorato and Louise Kitchen. This transition allowed the core trading team to continue operations under new ownership, preserving both jobs and expertise in a Houston energy industry reeling from Enron’s collapse.

Departure from UBS

Shortly after the acquisition, UBS released Whalley from his position. Despite never being charged with any crimes, the “legal cloud” surrounding former Enron executives made his continued presence at UBS problematic. The ongoing investigations by the Department of Justice and the Securities and Exchange Commission created liability concerns for any financial institution employing senior Enron figures.

After leaving UBS, Whalley joined Centaurus Energy, a Houston hedge fund founded by John Arnold. Arnold had worked as a natural gas trader at Enron under Whalley’s leadership and became famous for reportedly earning the company $750 million in a single year. Whalley eventually left Centaurus to found his own successful hedge fund, continuing his career in energy trading far from the scandals that had ended Enron.

Email Activity

Whalley’s email volume patterns reveal the rhythms of his career at Enron.

The June 2001 spike to 5,507 emails is particularly notable, occurring just two months before Skilling’s resignation. This suggests Whalley was already deeply engaged in crisis response before the public became aware of Enron’s problems.

Key Correspondents

Whalley’s correspondence network reflects his position at the center of Enron’s trading, technology, and executive operations.

The prominence of Kitchen, Lavorato, Frevert, and McMahon confirms Whalley’s role bridging trading operations, platform technology, and corporate finance. His regular communication with Buy (Risk) and Bowen (Finance) reflects the close integration of risk management with trading decisions that characterized Enron’s operations.

Legal Status

Greg Whalley was never criminally charged in connection with the Enron scandal. The Department of Justice’s Enron prosecution archive includes references to Whalley as a witness and document source, with exhibits drawn from his emails and organizational charts showing his position, but he does not appear as a defendant in any charging documents.

This distinguishes Whalley from many of his colleagues in Enron’s senior leadership. Jeff Skilling received a 24-year prison sentence (later reduced). Ken Lay was convicted but died before sentencing. Andrew Fastow pleaded guilty and served six years in prison. Cliff Baxter, who had been subpoenaed to testify, committed suicide in January 2002 before the criminal trials began.

The absence of charges against Whalley may reflect his relatively late arrival at the corporate level. While he led Wholesale Services, the fraudulent accounting practices centered on Fastow’s special purpose entities and Skilling’s mark-to-market accounting decisions. Whalley’s signature terms emphasize “transacting” and operational matters rather than the accounting structures that formed the basis of the criminal cases.

See Also

• Louise Kitchen — President and CEO of Enron Net Works, Whalley’s key partner in trading operations
• Jeff Skilling — CEO whose resignation led to Whalley’s elevation to corporate President/COO
• Ken Lay — Chairman and CEO who appointed Whalley to the corporate presidency

References

This article is based on research from Greg Whalley’s email archive of 30,618 messages (May 28, 1999 to November 30, 2002), supplemented by secondary sources including Bloomberg, Computerworld, Natural Gas Intel, and the Department of Justice Enron prosecution archive. The absence of criminal charges was verified through review of DOJ documents at justice.gov/archive/enron/.