Victor Halberstadt

Part of Jacobs Solutions, Inc., PA Holdings Ltd. is an innovation and transformation consultancy based in London, UK. PA Holdings has a history of 80 years of innovative thinking and breakthrough technologies. The British company believes in the power of ingenuity to build a positive human future. PA Holdings works with clients to adapt and transform, achieving enduring results. The company's work includes exploring what they do, how they do it, and the value they create for their clients. The company was founded in 1988.

Het Concertgebouw NV provides bands, orchestra and music entertainment services. It offers purchase tickets, tours, categories and charts. The company was founded on July 8, 1882 and is headquartered in Amsterdam, the Netherlands.

PA Consulting Group Ltd. engages in the provision of management, systems, technology consulting, and innovation services. The company was founded by Ernest Button on September 3, 2015 and is headquartered in London, the United Kingdom.

The Population Council, Inc. provides biomedical, public health and social science research services. The Council conducts research in three areas HIV and AIDS, poverty, gender, and youth and reproductive health. The company was founded by John D. Rockefeller III in 1952 and is headquartered in New York, NY.