Tiger 21 has promoted Wendy Gartenberg, Alison R. Smith and Kristyn Comei its New York headquarters.

Gartenberg joined Tiger 21 in 2012 as controller and has been promoted to chief financial officer. Her responsibilities include cost containment, financial modeling, cash flow and forecasting, budgeting and collaborating on financial strategy and implementation. With 20 years in finance and accounting, Gartenberg has worked at Marie Chantal LLC, a United Kingdom-based wholesale, retail and e-commerce company, and at the Four Seasons Hotel chain.

Smith has been promoted to vice president of marketing and membership. With the organization since 2007, her team oversees more than 350 member events annually. She also develops and manages marketing and public relations initiatives. Previously, Smith worked at Marina Maher Communications and at the United Nations Association.

Comei, who joined Tiger 21 in 2013 as a membership assistant, has been promoted to manager of membership. Previously, she worked at Unum Group as a senior disability benefits specialist.

The peer-to-peer learning group for high-net-worth investors has grown to include more than 300 members, who personally invest over $30 billion in total assets. There are groups in 18 cities across North America.

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