The following financial services industry appointments were announced on Monday. To inform us of other job changes, send an email to moves@thomsonreuters.com.

CONSTELLATION WEALTH ADVISORS

The independent multi-family investment company said it hired Christopher Smith as a principal. Smith was a director of the corporate client group at RBC Capital Markets.

LEGAL & GENERAL INVESTMENT MANAGEMENT

Chicago-based investment manager Legal & General Investment Management America said it hired Aaron Meder in a new role as head of U.S. pension solutions. Meder was a managing director and head of asset-liability investment solutions at UBS Global Asset Management.

MAYER BROWN

The law firm said it hired Dallas Parker from Thompson & Knight as a partner in its corporate and securities practice in Houston.

FRANKLIN TEMPLETON INVESTMENTS

The investment company named Adam Gorlyn vice president of its sovereign funds and supranationals group. Gorlyn worked as a portfolio specialist with the Franklin Templeton Fixed Income group.

KNIGHT CAPITAL GROUP INC (NITE.O)

The firm named Didier Bankole vice president of sales for its electronic trading group (ETG) in Europe. Bankole joins Knight from NYSE Euronext (NYX.N) where he was in charge of global account management.

LASALLE INVESTMENT MANAGEMENT

LaSalle Investment Management appointed Andy Watson to the newly created role of head of core funds and separate accounts, continental Europe. Watson previously worked as international director in the company's Paris office.

T. ROWE PRICE GROUP (TROW.O)

The investment management firm named Michael Joehr as a client service executive focused on southern Europe and Switzerland. Most recently Joehr was senior relationship manager with Allianz Global Investors Europe GmbH.

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The Washington law firm Arent Fox said Monday that it has named longtime partner Mark M. Katz as its new chairman, a leadership change that comes as the legal sector copes with an economic downturn that has curtailed business and prompted layoffs.

Katz, 52, succeeds Marc L. Fleischaker, who served as chairman of the firm's executive committee for 14 years. Fleischaker will remain at the firm, concentrating on antitrust and civil rights cases.

Like many of its counterparts, Arent Fox has faced declining revenue as corporate clients cut back on legal work, particularly in commercial real estate and finance, Katz said Monday in an interview. Although the firm cut 13 associates and 15 staff members and is in the early stages of restructuring how it bills clients, Katz said Arent Fox wasn't hurt as deeply by the recession because it decided to grow more cautiously during the boom.

"Some of the firms that grew very rapidly and worked on a mega-international platform seem to be running into difficulties," he said. "We've grown on a patient pace, and that's helped us."

As of 2008, the latest year for which statistics from the economic development group Greater Washington Initiative are available, more than 40,000 lawyers worked in the Washington region, second only to the New York area. Nearly 64,000 people work in the legal profession in the Washington region, which employs more people in that sector on a per-capita basis than any U.S. metropolitan area.

The D.C. office of law firm Curtis, Mallet-Prevost, Colt & Mosle LLP has relocated its headquarters to larger space downtown.

The firm said that its new location, on the top floor of 1717 Pennsylvania Ave. NW, more than doubles the size of its offices and will allow for continued expansion of its practice.

"This relocation marks an important step in Curtis’ ongoing expansion in Washington,” said D.C. Managing Partner Daniel Lenihan.

The firm said that it has added four senior lawyers to its D.C. office since December 2008.

According to its Web site, Curtis has three U.S. offices with 16 professionals working in Washington, five working in Houston and more than 100 based in New York. In addition, Curtis has 10 international offices.

Keith Halleland, one of the founders of Halleland Lewis Nilan & Johnson, is leaving to start a new law firm — and taking his name with him.

Halleland’s new firm will focus on business law and consulting when it launches this spring, according to a news release issued Thursday by the 50-attorney, Minneapolis firm now known as Nilan Johnson Lewis.

“I am proud of what we have achieved together over the years,” Halleland said in the release. “I am very excited about building something new, and I look forward to establishing a firm where my focus will be on the work I really love – business law and consulting.”

Nilan Johnson Lewis President Matthew Damon called Halleland “a big part of our growth and success over the 13 years we have been in business,” and said he expects the two firms to work together.