HOUSTON — A.Hak Industrial Services recently hired Hanne Gellert as a business relationship manager. In her new position, Gellert will be responsible for marketing and sales calls, preparing bids and quotes, and answering customer inquiries. Gellert, who has five years of experience, provided IT, social media and marketing support for Danish American Chamber of Commerce. For more information, visit www.a-hak-is.com or call (281) 484-2000.