Donald N. Ecker

North American Scientific, Inc. manufactures and markets medical devices for the radiation oncology community. It offers intensity modulated and image guided radiation therapy products and services, as well as brachytherapy seeds used in the treatment of prostate cancer. The company also offers iodine-based and palladium-based implantable brachytherapy seeds for the treatment of prostate cancer. It provides a line of brachytherapy seeds for use in the treatment of ocular melanoma and other solid tumor applications. The company manufactures other radio isotopic products used in various medical, environmental, research and industrial applications. North American Scientific was incorporated in 1990 and is headquartered in Chatsworth, CA.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

Sybron Dental Specialties, Inc. manufactures and markets dental and medical products. It provides twisted files, nickel titanium (NiTi) files, single patient kits for root canal, custom cabinet and drawer organizers, and custom wall charts. The firm offers implants, endodontic, restorative dentistry, and orthodontic markets. The company was founded in 1993 and is headquartered in Orange, CA.