Across North Texas, companies are promoting and hiring people to take on executive and leadership positions within their organizations. Dallas Innovates covers prominent personnel moves in Dallas-Fort Worth businesses and nonprofits—from the newest startups to well-established companies. Here are people moves tied to innovation and technology in the region.

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Ryerkerk to succeed Rohr as CEO at Celanese Corp.

Lori Ryerkerk

Mark Rohr

Lori Ryerkerk has been selected to succeed Mark Rohr as chief executive officer of Irving-based global chemical and specialty materials company Celanese Corp.

Rohr will assume the position of executive chairman of the company’s board of directors, according to a release. Both appointments are effective May 1, and at that time Ryerkerk will join Celanese’s board.

During Ryerkerk’s 35-year career, she has held a variety of senior leadership roles at petrochemicals and refining businesses in the United States, Europe and Asia.  Most recently, she was executive vice president of global manufacturing of Royal Dutch Shell, where she was responsible for all chemical and refining assets globally and led an organization of 30,000 employees and contractors.

LaValle to take reigns as CEO at Alerian

David LaValle

Alerian, a Dallas-based provider of energy infrastructure indices, announced that David LaValle has been appointed as its new chief executive officer, effective in May.

His appointment comes as Kenny Feng transitions from day-to-day leadership as CEO and president of Alerian to a board and advisory role.LaValle comes to Alerian with two decades of experience in the financial services industry.

“David has been a champion of the ETF industry and has worked tirelessly on its innovation and evolution for the past 20 years. His industry knowledge is unmatched, and he is ideally suited to guide Alerian through its continued growth and success as a recognized index, data and research leader,” John Jacobs, chairman of Alerian’s board of directors said in a statement.

MTX names Nobel as its new chief executive officer

Das Nobel

MTX Group, an Albany, New York-based machine learning platform and global sales-force implementation partner with an operation in Frisco, has appointed Das Nobel as chief executive officer.

The company said that in his new role, Nobel will continue to advance the strategic vision of the company during hyper-growth, while also introducing additional initiatives. He will focus on moving MTX toward becoming a billion-dollar company, while building a diverse, inclusive, and equal work culture.

Previously, MTX announced that Will Sowell has been hired a chief operations officer, based out the Frisco office.

Associa taps McKinley as SVP of central region, acquisitions

Steve McKinley

Dallas-based Associa, the industry’s largest community management company, has hired Steve McKinley as the new senior vice president for the central region and acquisitions.

In his new role, McKinley will oversee Associa branch offices throughout the U.S. and Canada as well as all acquisitions. He will focus on mentoring branch presidents, helping them achieve the company’s core corporate objectives, and supporting Associa’s corporate policies.

Associa said that McKinley also will be charged with educating branch leaders in a variety of areas, including company performance, business planning, and innovation.

Slone joins Tuesday Morning’s board of directors

Reuben Slone

Tuesday Morning Corp., the Dallas-based off-price retailer announced that Reuben Slone, a supply chain industry veteran with over 15 years of retail experience, has been appointed as a director on the company’s board, effective June 1.

Slone is a veteran supply chain executive with experience across multiple consumer-facing industry sectors. Presently, Slone is executive vice president of supply chain at Advance Auto Parts Inc.

Korn Ferry names Sholkoff senior client partner in Dallas

David Sholkoff

Global organization Korn Ferry has announced that David Sholkoff has joined the firm as a senior client partner based in the Dallas office. Sholkoff specializes in the firm’s organizational strategy solution.

Sholkoff comes to Korn Ferry from a global management consulting and professional services advisory where he was a managing director in the talent and organization practice. There, he led large-scale engagements in the southwest region of the United States across a variety of markets.

Lear Investment Management names managing director

James Warner

James “Jim” Warner has joined Lear Investment Management, a Dallas-based investment adviser focused on portfolio management and research, as managing director.

The firm said that the appointment formalizes a working relationship that began in September, when Warner started working with Lear on a consultative basis.

Most recently, Warner was a founder and CEO of Black Ox Advisors LLC, a diversified financial and investment advisory firm.

Addus HomeCare names Gaffney as EVP, chief legal officer

Sean Gaffney

Frisco-based home healthcare provider Addus HomeCare Corp., a provider of home care services, has hired Sean Gaffney as executive vice president and chief legal officer, effective April 29.

Gaffney brings more than 15 years of experience in strategic advisory and legal transactions involving healthcare providers to his new role.

Most recently, he was general counsel for Dallas-based Encompass Health–Home Health & Hospice, the fourth largest U.S. provider of skilled home health services.

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