Greenhill Agency is a trusted outsource partner, specializing in the creation and execution of business development and marketing programs. With over 25 years of experience, we work alongside boutique investment firms, family offices, startups, corporate marketing teams, and non-profits to deliver innovative, results-driven strategies that elevate brand presence and drive growth.
With over 25 years’ experience, Greenhill has established strong partnerships with the most trusted and elite vendors in the sports, entertainment, and hospitality industries. These valuable relationships help support Greenhill’s client-base of C-Suite executives, corporate marketing teams and non-profit organizations globally to achieve their mission-driven goals.
Our deep experience in the creation and implementation of business development strategies, managing high-touch event marketing programs, and providing high-level administrative & operations support allows Greenhill to be your full-service resource.
At Greenhill, we take an integrated, full-cycle approach to developing impactful campaigns that resonate with any audience. By working closely with clients to identify their business and marketing objectives, we build tailored strategies designed to meet and exceed those goals.
Our extensive experience in marketing, client engagement, event marketing, and business development allows us to extend your organization’s capabilities, providing best-in-class solutions that drive results and unlock new opportunities.
Greenhill offers comprehensive services to support your organization's growth and strategic initiatives. From crafting tailored brand strategies to managing high-level business development efforts, we provide the expertise needed to drive success across a range of industries.
Greenhill specializes in the creation and execution of exclusive sporting event programs, offering a full range of services from ticket management to athlete appearances and sponsorship activations. Our expertise ensures a seamless experience for your clients at the world’s most prestigious sporting events.
Whether it’s a corporate conference, sponsorship of a marquee event, or a one-of-a-kind experience, Greenhill creates events that leave a lasting impact. From concept to execution, we engage audiences and deliver memorable experiences for client engagement programs of all sizes.
A native of Virginia, Connie Costas launched her event marketing career with the National Football League in London, England, where she assisted in the launch of the World League of American Football. She later moved to New York, continuing her work with NFL team owners, players, sports agents, and sponsors on television productions and marketing initiatives.
Connie’s career took a pivotal turn when she joined Goldman Sachs & Co., where she developed and implemented the firm’s first-ever global event marketing and sponsorship platform. This program included iconic events like The Masters, The Summer & Winter Olympics, The US Open Tennis Tournament, The US Open Golf Tournament, and The Ryder Cup.
Following her extensive career at Goldman Sachs, Connie founded Greenhill Agency to serve clients across a range of global integrated marketing projects and business development assignments. Having traveled to over 40 countries and lived abroad in both Asia and Europe, she has managed a wide array of global events, investor tours, sporting events, and corporate hospitality functions for Fortune 500 companies.
With more than 25 years of experience, Connie has a proven track record of building brands, executing business strategies, and developing global marketing campaigns from concept to execution.
Connie Costas
Principal
917-442-0209
connie@greenhillagency.com
References available upon request