John W. Langley

Founded in 2003, Griffen-Rose LLC is an independent research firm located in New York City. Griffen serves the small- and micro-cap sectors by producing research reports to institutional investors. They focus on companies in a broad range of sectors including: alternative/renewable energy technology, beverages, biotechnology and drug discovery, coal production/mining, consumer goods, financial services, industrial raw materials and infrastructural goods, infrastructure construction, industrial heavy machinery, metals production/mining, power generation/utilities and real estate.