Max Deml (born 1957) is a German-Austrian writer for environmental and financial magazines, publisher and entrepreneur.
Since October 1991 he has been editor-in-chief of Oeko Invest, a bi-weekly stock market newsletter concentrating on socially responsible, sustainable investments, and renewable energies (only printed in German language).
He developed green stock and fund indexes like NX-25 in 2003, has a broad view of companies from around the world, and provides an insider's perspective on European companies.