Erik Verhoef

American Dental Association provides information on oral health, promotes dental science, conducts research, development and testing on dental products and materials. Its website provides information on the organization, its history, membership, links to dental organizations, and survey research on dentistry. The ADA was founded by William Henry Atkinson in 1859 and is headquartered in Chicago, IL.

Susquehanna Financial Group LLLP (SFG) is an institutional broker-dealer headquartered in Bala Cynwyd, Pennsylvania. The firm was founded in 2002 and is a direct subsidiary of SFG Holding LLC, which is owned by Bodel, Inc. SFG offers a full range of order execution and trading flow services, with a focus on delivering innovative trading strategies and execution services to institutional clients.

William Blair & Co. LLC (William Blair) is a SEC-registered broker/dealer firm headquartered in Chicago, Illinois. The firm was founded by William McCormick Blair in 1935 and is a subsidiary of WBC Holdings LP. Until 1941, they were known as Blair, Bonner & Co. William Blair provides broking services to individual, institutional and issuing clients.

Alere San Diego, Inc. develops, manufactures, and markets, diagnostic products. The company was founded by Kim D. Blickenstaff and Gunars E. Valkirs on June 28, 1988 and is headquartered in San Diego, CA.