Maroon Group LLC announced the addition of Douglas Haff as a key account manager covering major accounts in our specialty intermediates business.   Haff brings more than 25 years of demonstrated success in professional sales and management for bulk and performance monomers as a business segment manager with Evonik Cyro and as a technical sales representative for Sun Chemical Corp.’s printing inks and pigments markets.   His track record of building strong relationships and developing mutuall...