YYTZ: To answer your question, in Issue 12 of Conversations R. Marc Angel wrote: “4. Married women need not cover their hair, as long as their hair is maintained in a modest style. The wearing of wigs does not constitute a proper hair-covering for those married women who wish to cover their hair. Rather, such women should wear hats or other head coverings that actually cover their hair.” The article is available on line.
He is not Orthodox. He is Open Orthodox.