Ivan Brockman

The Blackstone Group, Inc. provides marketing research services. It provides custom market research services for clients in industries as consumer packaged goods, financial services, healthcare and technology. The firm's clients include eBay, Harris Bank and Pfizer. The company was founded by Ashref A. Hashim in 1987 and is headquartered in Chicago, IL.

Sierra Lake Acquisition Corp. operates as a blank check company. It was formed for the purpose of effectuating a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or other similar business combination with one or more businesses. The company was founded on January 26, 2021 and is headquartered in Chicago, IL.

Wilson Sonsini Goodrich & Rosati PC provides legal services. Its services include corporate law and governance, public and private offerings of equity and debt securities, mergers and acquisitions, securities class action litigation, intellectual property litigation, antitrust counseling and litigation, joint ventures and strategic alliances, technology licensing and other intellectual property transactions, tax, and employee benefits and employment law. The company was founded in 1961 and is headquartered in Palo Alto, CA.