SOS

CONSULTING

GROUP

Stefani O’Sullivan is the Founder & CEO of SOS Consulting Group, a strategic consultancy dedicated to elevating female-founded brands through data-driven marketing, business strategy, and operational excellence. With over 13 years of leadership experience spanning luxury, fashion, and e-commerce, Stefani has spearheaded growth initiatives at Chanel, Moda Operandi, Savage X Fenty, STAUD, Meshki, and The Mayfair Group, transforming brand presence and revenue performance. Leveraging her deep expertise in marketing technology, consumer acquisition, retention, and organizational development, she builds high-performing teams and implements scalable solutions that drive sustainable business growth.

Recognizing a gap in the market—where many small businesses overspend on digital agencies without achieving real results—Stefani founded SOS Consulting Group to bridge this divide. By offering cross-functional leadership expertise in marketing, growth, finance, and product strategy, her team helps brands scale efficiently while optimizing operations for long-term success. Her ability to identify business challenges, ask the right questions, and execute practical solutions makes her a sought-after advisor for both emerging and established brands navigating today’s competitive landscape.

Beyond her consulting work, Stefani is a passionate advocate for Diversity, Equity, and Inclusion, serving as an Executive Board Member at LIM College and mentoring talent through raiseFASHION, Point Foundation, and Braven. As a member of the LGBTQ+  community and a leader in fashion and marketing, she is committed to creating inclusive spaces, increasing representation, and driving equitable hiring practices across industries. Whether leading transformational brand growth, mentoring the next generation of leaders, or championing inclusive business practices, Stefani approaches every challenge with curiosity, creativity, and a relentless focus on impact.