We are strategists, catalysts, and doers.

Karen Fullerton

Founder + Principal, Executive Search

Karen founded OpenAccess with a vision to accelerate organizational competitive advantage through inclusive leadership. With a unique blend of two decades of cross-sector executive search, organizational development, and go-to-market strategy, Karen helps her clients navigate the complexities of recruiting inclusive leaders, aligning people with strategy and defining new ways of working.

Through multiple market cycles, Karen's work has fueled a startup ecosystem shaping the future of the digital economy and contributing to greater public good. She has successfully completed searches for Board, Chief Operating Officer, Chief Financial Officer, Chief Revenue Officer, SVP/VP of Sales, VP of Marketing, Product, Customer Success, and Engineering. Her clients are early stage startups and high growth organizations transforming complex and highly-competitive markets.

Earlier in her career, Karen held go-to-market leadership roles for venture-backed startups pioneering the digital economy. She began her career as a Financial Analyst with ABN AMRO in Taipei, Taiwan. She is a graduate of Stanford's Executive Program in Social Entrepreneurship (EPSE) and received a BA in English Literature with a minor in Mandarin from the University of Georgia.

Inspired by the vision of an inclusive economy, Karen has helped pioneer tech apprenticeship programs and public/private partnerships to advance economic and social mobility for marginalized and underserved populations.
She is privileged to serve as a mentor, advisor and coach in the areas of entrepreneurship, allyship, and mentorship.

Tamyra Walker

Principal, Learning and Development

Tamyra is an impassioned educational leader fueled by an altruistic belief in equitable systems and communities. With two decades of learning and development innovation, she helps her clients build and cultivate inclusive environments and work-based learning experiences that nurture creativity, experimentation, and belonging.

From change management to educational product development to apprenticeship training programs, Tamyra’s novel approach to leading change has shaped inclusive workplace culture and learning for large enterprises including Infor, Intuit, and Microsoft, public and private college prep K-12 STEM classrooms, and social impact organizations. Tamyra’s early experiences as a young black girl in STEM and as a math educator inspire her personal mission to advance educational equity in the STEM pipeline at scale.

Tamyra is the creator and founder of Dice and Bones, computational games designed to boost math skills and comprehension and is a featured educator in Stanford University's Understanding Language MOOCs. She holds a BA in Sociology from Howard University and a MS in Mathematics, Teaching, and Learning from Drexel University.