Carolin Wiken has joined Kekst CNC, part of Publicis Groupe, as Director in its Stockholm office.Wiken brings experience in corporate and financial communications, with a focus on healthcare, life sciences and consumer sectors. She has held in-house leadership roles at Bayer and Pfizer, and most recently served as Partner at Geelmuyden Kiese, where she was also CEO of the firm’s Swedish operations.Her expertise spans strategic positioning, crisis management and stakeholder engagement, particularly in regulated environments. Based in Stockholm, she will work with teams across Kekst CNC’s global network on healthcare and life sciences mandates.Veronica Råberg-Schrello, Partner and Managing Director at Kekst CNC Stockholm, said Wiken’s experience across in-house and advisory roles will support the firm’s healthcare and life sciences offering.Commenting on her appointment, Wiken said she looks forward to contributing to the firm’s work in healthcare and life sciences, as well as supporting clients across complex communications situations.As of April 1, 2026, the Stockholm leadership team includes Veronica Råberg-Schrello, Malin Lundin, Henrik Nilsson, Stefan Nerpin, Carolin Wiken, Eva Widner and Veronica Ekstrand.

Kekst CNC has appointed Lyndsey Estin as Co-Chief Executive Officer.Estin will lead the firm’s US operations and work alongside Richard Campbell, who oversees non-US global operations.She succeeds Jeremy Fielding, who is moving to an in-house role at a public company.Estin has been with Kekst CNC for over two decades, during which she has held multiple senior leadership roles. Her experience includes work across mergers and acquisitions, shareholder activism and financial communications. She also founded and leads the firm’s US cybersecurity practice and contributes to its AI advisory work, including initiatives linked to parent company Publicis Groupe.Commenting on the appointment, Arthur Sadoun highlighted Estin’s experience across financial communications, crisis counsel, AI and cybersecurity, noting her role in advising organisations navigating evolving risks and technological change.Estin said the firm remains focused on supporting clients amid ongoing global shifts driven by technology and emerging risks.

Strategic communications consultancy Kekst CNC has appointed John Rynehart as Director and Head of the UAE. With a robust background in the industry, Rynehart brings over 20 years of experience in journalism, strategic communications, public relations, and marketing.Before joining Kekst CNC, he served as Managing Director at Seven Media, where he led various initiatives and projects, showcasing his leadership and expertise across multiple sectors. Prior to his stint at Seven Media, he was Managing Director at Four Communications Dubai. Rynehart?ÇÖs extensive experience enables him to navigate complex communications challenges and deliver impactful strategies for clients.In his new role, he is expected to leverage his diverse skill set to enhance Kekst CNC's presence in the UAE, driving innovative communications solutions and fostering strong client relationships. His appointment reflects the firm's commitment to delivering exceptional service in an increasingly dynamic market.

Kekst CNC, a global strategic communications boutique, has announced the appointment of John Rynehart as Director and Head of the UAE, further strengthening its presence in the Middle East.John will oversee operations in the UAE, spearheading growth in one of Kekst CNC?ÇÖs fastest-growing markets globally.?Ç£We are thrilled to welcome John to our business and eagerly anticipate the contributions he will bring to our leadership team,?Ç¥ said Ben Curson, Partner and Head of the Middle East.?Ç£John joins us at a pivotal moment as we continue to expand our unique positioning and presence in the region. His exceptional leadership skills, strategic thinking and deep understanding of the evolving and ever-changing Middle East market will be invaluable. We are confident he will play a key role in propelling our business to new heights.?Ç¥Kekst CNC recently announced the opening of its office in Riyadh, Saudi Arabia, led by experienced Saudi communications consultant Robert Hanvik.With 20 years of experience in journalism, strategic communications, public relations, marketing and leadership, John brings a proven track record of delivering creative solutions for a diverse range of clients. His expertise spans multiple sectors including health, education, energy, defense and aviation.?Ç£Kekst CNC?ÇÖs excellence in delivering strategic foresight, quality assurance and innovation, along with its use of emerging technologies, aligns perfectly with my dedication for helping clients navigate multifaceted challenges and business-critical issues,?Ç¥ said John Rynehart, Director and Head of the UAE. ?Ç£I look forward to working with this impressive team and contributing to the firm?ÇÖs continued success.?Ç¥Prior to joining Kekst CNC, John held senior leadership positions at independent agencies Seven Media and Four Agency Worldwide, where he led teams and major initiatives in corporate communications, crisis management, and integrated communications strategy.As Head of the UAE, John will be responsible for overseeing business development, providing senior-level client counsel, and team leadership, ensuring Kekst CNC continues to deliver best-in-class consultancy services that drives measurable impact for its diverse international client portfolio.Kekst CNC is a global communications agency with 14 offices around the world, focused on corporate actions, special situations and strategic decision making, with strong expertise in advising businesses in the Middle East during times of growth, transformation and reputation protection.