Sienna Girl Jones is led by Dr. Astrid Williams, an award-winning professional with extensive experience in the beauty and wellness space. Her work is rooted at the intersection of Black culture, beauty, and style, and she is dedicated to raising standards across industries by pushing boundaries, championing equity, and cultivating meaningful relationships with key stakeholders—guided by ethical marketing, brand integrity, and a commitment to redefining what beauty can and should be.

Dr. Williams earned her Bachelor of Science from UCLA and went on to receive both her Master’s and Doctor of Public Health in Health Promotion & Education from Loma Linda University. Her academic and professional training provide a distinctive lens on the intersection of health and beauty equity, and she remains deeply committed to advancing this work across industries.

She serves as a member of the California Department of Public Health Black Health Equity Advisory Group (BHEAG), an Advisory Board Member for the Campaign for Safe Cosmetics Non-Toxic Black Beauty Project, and a proud member of Alpha Kappa Alpha Sorority, Inc.. She is also Co-Chair of the National Beauty Justice Coalition and serves as faculty in higher education. In addition, she is the Founder of the Black Beauty Collective—a community dedicated to redefining beauty on its own terms while nurturing self-worth and cultivating authentic sisterhood rooted in wellness, style, and confidence.

At the center of her work is close partnership with leaders ready to elevate their presence and impact. Her approach is grounded in alignment—bringing identity, leadership, and expression into seamless coherence. Through strategic precision and refined clarity, Dr. Astrid Williams helps thought leaders embody who they are with confidence, intention, and authority.

With intention,