"We go head to head against the traditional firms."

our firm

Clark Langdon is one of the leading high-end retained search firms with a focus on Board of Directors, CEO and senior executive leadership searches. Headquartered in Monaco, we conduct searches globally.

Our clients range from innovative & disruptive, fast growth early-stage start-ups to the transformational industry giants in technology & communications, digital media & ecommerce and clean tech & clean energy.

The intense and dynamic nature of our work, the innovation and rigor in research, coupled with the explosive and qualitative way with which we lead and complete our searches with the desired results of our clients has elevated us into the top-tier of the boutique retained search firm industry.

“We go head to head against the traditional firms”



Email      Linkedin

Simon Clark is co-founder & CEO

Simon has built and leads the CEO and Board Practice. Drawing on more than two decades of retained search experience, Simon has placed over 1000 senior executives including Chairman, NED’s, CEO’s and their direct reports for clients that are some of the most innovative, fast growth, disruptive & transformative companies in technology & communications, digital media & ecommerce and clean tech & clean energy.

Simon is a proven innovator in the high-end retained search industry, having created unique and powerful search programs that align to the People & Culture agenda, unique to each client. Here he has consistently delivered incredible results for over two decades, creating high impact for each client’s employment brand while revolutionizing the candidate experience, elevating Clark Langdon into the top-tier of the boutique retained search firm industry.

For over two decades, co-founders, Boards & CEO’s have trusted Simon with their companies most confidential and critical leadership search mandates. Simon has built a reputation for his integrity, energy and unwavering commitment helping his clients succeed by hiring outstanding leadership.

Prior to founding Clark Langdon Partners, Simon started his career in search as a researcher in London in 1995 and spent time progressing with three search boutiques, prior to this he had a successful career in enterprise technology sales.


Email      Linkedin

William Langdon is co-founder & Partner

William has completed some of the most complex Board, CxO, SVP, VP & Director level searches in the most challenging geographies globally in technology & communications, cloud & virtualization, digital & e-commerce, big data analytics & clean tech. As an accomplished, diligent and versatile search professional, William brings an unparalleled commitment and dedication to every search ensuring each search is closed with the shortest completion time and of the highest quality.

His natural intellectual curiosity and intrigue, coupled with his analytical problem solving ability make him unique and invaluable to Clark Langdon and their clients in every search, solving the most challenging of global people, culture & diversity issues in an evolving and transformative people economy.

Prior to co-founding Clark Langdon, William spent time as a Researcher and Consultant with another search boutique firm and prior to this was in management positions within FMCG since 1998.

our edge

The most in-depth Discovery Analysis in the industry
of our client’s people & culture agenda, strategy & vision that is critical to the success of every search and partnership.

Research capability that outperforms traditional firms
Our relentlessness in research takes us where most other firms will not look or cannot reach. We are your best external employment brand ambassadors.

Restricted ‘off limits’
We are not constrained by the multiple hands-off restrictions of the traditional firms – We give you the broadest and deepest access to candidates that fit your culture.

Search Analytics Technology
Best in class search analytics platform, delivering comprehensive and accurate data on the progress of the search, providing critical insights.

‘Contre vues’
We get balanced C level perspectives on the candidates of interest early on, not at the final and most critical stage.

Candidate & Client Engagement
Transforming the search process and candidate experience from beginning to completion, impacting your employment brand better.

Closing & Onboarding
We bring finesse and experience that helps guarantee you hire your top candidate, providing seamless and successful onboarding.

Speed of Execution
We strike the perfect balance of quality and speed without compromise.

Partner Led Execution
We avoid quality erosion and don’t pass searches off to junior members of staff, our Partners complete the searches ensuring quality.

“We go head to head against the traditional firms”

our focus

CEO & Board

Clark Langdon specializes in working with Boards & co-founders of Public and Privately held companies to secure the very best transformational and turn-around CEO’s who possess the leadership qualities necessary to build, grow and turn around companies in the most challenging environments.

The best, established board members are already over-committed and cannot serve on additional boards. Clark Langdon’s Board focus is committed to finding the unique board talent that is extremely difficult to find.


they say…

“I have worked successfully with Clark Langdon as our search partner across some of our tech portfolio companies. They have hired at CEO, COO & CCO level for us. I can highly recommend them for quick results at the right level.”

Roel Pieper, Entrepreneur in residence, Ramphastos Investments

“Clark Langdon undertook several Board searches for PDX with the result that we have been able to appoint some outstanding new Non-Executive Directors to the Board. I highly recommend Clark Langdon for Board search.”

Andy Quinn, Chairman, PDX

“ Clark Langdon were chosen to conduct the CEO search for one of our most prestigious investment companies, the search was very politically charged and had to be handled confidentiality and sensitively, Clark Langdon were simply exemplary in the way they ran this and we hired a very good CEO”

Laurent Guillaume, VP HR, Engie

our focus


Clark Langdon are one of the top boutique search firms in technology & communications, digital & e-commerce.  Clark Langdon’s Partners started hiring leadership teams in the mid 90’s for some of the most innovative and disruptive starts up’s to the transformational industry giants.

Back then it was these companies
Redback Networks
Procket Networks
Ramp Networks
Avici Systems
Today it is these companies
Violin Memory

they say…

“When I was CEO at Redback we used Simon Clark for all of our top retained searches, he did a great job of helping us to build Redback by hiring great executives that created high impact performance and a unique culture, as CEO of Violin Memory, he has again proved his value in helping us to hire top executives in a highly competitive environment, I highly recommend and look forward to continue working with him in the future.”

Kevin Denuuccio, President & CEO, Violin Memory Inc.

“I have worked with Clark Langdon for 15 years successfully, their delivery and results consistently separate them from all of the other consultants & firms out there, they continue to do all the high-end search work for Criteo to the delight of the co-founders and executives.”

Mimi Gigoux, EVP HR, Criteo

“I retained Clark Langdon on two VP searches in Europe. This resulted in us hiring two very strong candidates. I look forward to continuing our partnership together in the future with Clark Langdon.”

Mike DuBose, Chairman & CEO, Purcell Systems Inc.



“I retained Clark Langdon for a number of VP searches reporting directly to me at RSD. The search process, quality of candidates and results delivered resulted in me hiring 2 very strong candidates. They are better than other large search firms I have worked with and I look forward to working with Clark Langdon in the future.”

Pierre Van Beneden, Chief Executive Officer, RSD Software


“Clark Langdon handle all of our top searches with utmost agility, speed and commitment. The candidates provided by them consistently meet my high quality expectations. The project handling by them throughout the process was exceptional, so that I really felt cared about as a client. ”

Michael Bayer, President Retail Division, NCR

“Clark Langdon appointed a number of Senior Director’s in my organisation at Citrix, the candidate to offer ratio was high and the way Simon & his team handle the process and people during the engagement differentiates them from the traditional firms, the hiring results were very high”

Carlos Sartorius, SVP WW Sales & Services, Citrix


our focus

Clean Tech

Clark Langdon have established a growing clean tech focus, working with some of the most innovative energy, power & investment companies out there.

We have invested significant time and resources in this sector to thoroughly understand all aspects of the evolving marketplace that are critical to the successful execution of high-level search work.

We work with these companies
Platina Partners
Intelligent Energy
Ceres Power

they say…

“I was a successful candidate for a non-executive director appointment recently. Simon was extremely efficient and professional. I have worked on both sides of many searches for senior executives, and would rate his work at the top level of search firms I have used. While we had not previously used Clark Langdon, we are now considering them for searches for several of our portfolio companies.”

Bernie Bulkin, Venture Partner & Senior Advisor, Vantage Point Venture Partners

“We selected Clark Langdon for the CEO search for Voltalia, They brought the very best of CEO talent to us in a very short space of time, we made the hire and we very impressed by their network of great CEO’s”

Bertrand de Talhouet, Board Member, Voltalia


“Clark Langdon Partners’ approach to executive search is refreshingly different from most other firms. As a result, we continue to work with Clark Langdon in the future.”

Henri Winand, Chief Executive Officer, Intelligent Energy

“I retained Clark Langdon to conduct both COO & CCO searches for me at Ceres Power that resulted in us making the appointment of two excellent candidates within a short time frame. The Clark Langdon team deliver very powerful results and I look forward to working with them in the future.”

Phil Caldwell, Chief Executive Officer, Ceres Power


“I have retained Clark Langdon for a number of senior searches and have been very impressed by the professionalism, the sound process from the initial phase, to understand our business and culture, to the post completion follow-up. Clark Langdon run their searches extremely thoroughly and diligently. I certainly intend to continue using Clark Langdon in the future.”

Jean-Marc Armitano, CEO EMEA, RES



“I retained Clark Langdon for my direct report searches at Eoxis Energy. Whilst there is a high premium for high-end retained search, the service, value and results delivered by Clark Langdon delivered the desired results. This is a credit to the Clark Langdon value proposition and I look forward to working with them in the future.”

Laurence Mulliez, Chief Executive Officer, Eoxis Energy


get in touch

1, Boulevard de Suisse, 98000 Monaco