Meet Clarissa
After more than a decade in the editorial world, Clarissa founded the boutique marketing communications consultancy, By Clarissa (ByC). She partners with global enterprises and creative agencies, embedding directly into their workflows to scale operations and accelerate execution.
Clarissa’s background in journalism and marketing brings a rare balance of editorial depth and strategic focus to her work. Known for her thoughtful, concierge-inspired approach, she helps teams stay aligned and produce measurable results that support broader business goals.
Many of her engagements grow into multi-year partnerships, with Clarissa serving as an integrated extension of clients’ teams to drive key initiatives forward.
Clarissa Buch Zilberman
Prior to launching ByC, she served on the executive leadership team at an award-winning marketing agency, where she led the ground-up expansion of content operations ahead of an acquisition.
As a freelance writer and editor-at-large, Clarissa has contributed more than 3,000 pieces to leading international media companies across print and digital. Her reporting has taken her around the world, securing interviews with high-profile figures like business magnate Richard Branson, Michelin-starred chef Jean-Georges, and NBA champion Dwyane Wade. She also served as the youngest restaurant critic for one of Voice Media Group’s largest publications, Miami New Times.