Martha D. Karimi

Co-Founder and Partner




Martha leads our Recruitment, Senior Leadership Transition and Career Coaching departments. She is a passionate innovator, with a keen interest in maximizing individuals’ potential and building high-performing organizations. Martha brings to edge vast experience in talent management and organization development from diverse sectors and realities: From Fortune 500 firms and midsized companies to non-profits. Having worked and lived in India, Tanzania and Kenya with colleagues from over 30 countries, she’s a multi-cultural leader. Martha is also an avid advocate of living happy, meaningful and balanced careers, a spirit she strives to live through a dedicated practice to boxing, yoga, Vipassana meditation and various forms of art such as photography and pottery.

Manuela Müller

Co-Founder and Partner

Manuela has experience in the consulting, corporate and academic fields and initiated and led various community initiatives. After obtaining a M.Sc. Business Information Systems with majors in HR management and B2B marketing from Darmstadt University of Technology in Germany, she led AIESEC’s leadership development activities in East Africa for three years. Based in London, she co-ran a global talent development program from 2011, working with over 80 Start-Ups and Social Businesses, partnering with various Impact Funds. In 2014 Manuela returned to Nairobi to co-found edge in Kenya. Her core drivers are improvement, fairness and participation.
edge is made up of passionate experts, each bringing on board their unique approach, skills and experience to serve our clients. Together, we have helped transform organizations in four continents, coached and trained hundreds of managers and recruited over 300 professionals for key roles in growing organizations!

Fabianna Mueti

Passionate about people, Fabianna worked in the public and private sector after finishing her Bachelor in Human Resource Management. She chose edge because of her keen interest in working with growing organizations in helping them align their human capital needs to their business objectives. For over three years she has supported social impact organizations in recruiting top talent. Fabianna leads our career content and recruitment projects around East Africa for edge in various sectors and fields.


Denise white smallDenise Wambui

Denise is passionate about youth and career development. She has an interest in human resource as an asset to organizations and loves to support social enterprises and growing organizations and figure out how to choose the right talent to help them achieve their goals. Denise brings a Computer Technology degree and an outgoing nature to edge!

Ruth Kimacia

Ruth graduated with a degree in Business Management and is passionate about creativity and design. She is interested in psychology and its importance in organisations and teams. Ruth joined edge because she believes everyone’s career should allow them to bring in their talents in their workplace. She loves learning about the exciting ecosystem of entrepreneurs in Kenya and East Africa and works across all edge services and programs.


eric-whiteEric Kariuki

Eric is a management consultant with 8 years’ experience in recruitment, operational leadership, HR management, and organizational development in large organizations, SMEs and social enterprises. He loves learning & development and has extensive experience in the design, delivery, and enhancement of effective instructional programs.

He’s a member at IHRM and a co-founder at The Kijiji.

Dr. Graham Boyd

Based in Brussels, Graham brings 20 years experience in Executive Coaching, Organizational Development and Innovation Management to edge. From South Africa, he is passionate about enabling business in Africa. He drives innovative human capital approaches like holacracy and peer-coaching through various ventures. Graham runs EvoluteSix

silhouetteAnd you!?

We are growing and are looking for new colleagues! If you dream of an engaging and collaborative workplace with a transformative vision, and of people practices that drive sustainable growth of organizations, check out how to join us


Get in touch to discuss our services, partnerships, or other ideas and opportunities!