Mark is highly professional, not only is he very good in design, he is particular in delivering high quality results. He personally oversee the project end-to-end from initial ideas to design, tear down, build, and even provide great after sales services. He listens to our requests, propose his ideas, share several versions of the proposed layout and gave advice on where to get certain material and product. We were thankful to Mark for his responsiveness, attentive to details, fully accountable and professional approach. Highly recommend Mark to anyone who is considering to design and build a house of their own dreams... we got ours through Mark. Thank you Mark and Design4Space team!