Party rental veteran John Dawson (in photo above) has launched Please B Seated in New York, a boutique event rental company that will specialize in sourcing hard-to-find rental items delivered with an emphasis on service and reliability, the company says. Dawson was co-founder of Tristate Party Rentals in 1977, which later merged with Service Party Rental to form TriServe. That company was acquired by Classic Party Rentals in 2007. Call 646/741-4455 …

Samantha Sackler and Tammy Morgan Ratner have partnered to launch Social in Los Angeles, a division of Samantha Sackler Productions that is dedicated to creating high-end social celebrations. Ratner is the owner and creative director of The Little Host, a retail line of chic, personalized party decor kits, while Sackler is owner of Samantha Sackler Productions. Call 310/873-3118 …

Alice Cota has joined San Diego-based AlliedPRA, a company on the latest Special Events "25 Top DMCs" list, as global sales director. Call 949/547-2953 …

Julia Hinkle has joined as the New York district of CORT Event Furnishings as account executive for sales. Call 201/293-0488 …

Chloe Couchman has been named global media relations director for Carlson Wagonlit Travel; she is based in London. Call 44 20 3353 1497 …

Jill Spear has joined Rental Stages of Hollywood, Fla., as director of sales and marketing. Call 954/989-8898…

Julie Thiebaud has joined British-based entertainment agency Scarlett Entertainment as French entertainment coordinator. Call 44 1626 572072 …

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