See the complete list of the 100 Most Influential People in Finance here.

See the 2011 list of the 100 Most Influential People in Finance here.

Kurt Vanderbroek
SVP, Product Management
SunGard's AvantGard

Vandebroek led the development of SunGard's AvantGard electronic bank account management (eBAM) solution and championed SunGard's participation in SWIFT's eBAM central utility pilot.

Rulemakers and lobbyists

John Engler
President
Business Roundtable

Under the leadership of the former governor of Michigan, the Business Roundtable has been heavily involved in such key issues as corporate tax reform, the federal budget, derivatives regulations and proxy access.

Hans Hoogervorst
Chairman
International Accounting Standards Board

The former Dutch finance minister has the daunting task of pressing the U.S. and Japan, two of the world's largest economies, to move away from their insular accounting standards and join 100 other nations in adopting International Financial Reporting Standards.

Mary John Miller
Undersecretary for Domestic Finance
U.S. Treasury

Miller, who joined Treasury after a long career in fixed income at T. Rowe Price, is a key figure in the writing of regulations stemming from Dodd-Frank, including the Volcker Rule.

Daniel Tarullo
Governor
Federal Reserve Board

Tarullo, a former law professor, has become the central bank's point person on its oversight of U.S. banks and other regulatory issues, such as the Volcker Rule.

Government Agents

Rep. Dave Camp (R-Mich.)
Chair
House Ways and Means Committee

The chair of the committee in charge of tax policy in the House is pushing for a reduction in corporate taxes to 25% in exchange for an end to the current welter of ever-changing credits and exemptions.

Mark Prater
Minority Chief Tax Counsel and Deputy Staff Director
Senate Finance Committee

Prater served as staff director for the Super Committee, and while it failed to resolve the U.S.'s budget problems, we'll be hearing more from Prater, especially if Republicans win a Senate majority this November.

Global Leaders

Christine Lagarde
Managing Director
International Monetary Fund

As French finance minister, Lagarde was a key player in helping France and Europe weather the global financial crisis. Now, as the first woman to head the IMF, she has taken a hard line on helping Greece out of its debt crisis.

Dilma Rousseff
President
Brazil

Rousseff's economic policies have helped contain inflationary pressures and positioned Brazil for long-term growth, making it one of the most attractive of the BRICs for foreign investors.

Heavy Hitters

Alan Blinder
Professor
Princeton University

Blinder employed the phrase “fiscal cliff” in a March op-ed about the pinch the U.S. economy could feel in January from spending cuts and tax increases. The phrase, subsequently popularized by Fed Chairman Bernanke, heightened recognition of risks the nation faces on the fiscal front.

John Casillas
SVP, Business-Centered Systems
HIMSS

Casillas is a pioneer in the development of technology solutions aimed at delivering healthcare more efficiently and cost-effectively, particularly in the area of payments processing.

Alice Rivlin
Senior Fellow
Brookings Institution

Rivlin, former vice chairman of the Federal Reserve and a member of the President's Debt Commission, is working behind the scenes in Washington on efforts to whittle away at the federal deficit.

Moving Targets

Holly Gregory
Partner, Corporate Governance
Weil Gotshal & Manges

Gregory, a leading authority on corporate governance, advises boards, senior executives and international organizations. She played a key role in drafting the OECD Principles of Corporate Governance and advised the European Commission on corporate governance codes.

Paul Volcker
Former Chairman
President's Council on Jobs and Competiveness

Former Fed chairman Volcker pushed what became known as the “Volcker Rule”—an effort to sever commercial and investment banking. Amid bitter opposition from banks, the rule is yet to take effect, though recent scandals have kept it, and Volcker, in play.