Mark Twain rightly said that all ideas are second-hand.


The rigorous methodology that underpins the Monthly Barometer draws on a variety of theories to achieve the most insightful and pertinent analysis possible.


The Wisdom of Crowds, by James Surowiecki, defends the idea that diversity makes a group more intelligent. Our network is both quantitative and qualitative and characterized by diversity. Diversity of opinion, diversity of information, and diversity of attitude. Thanks to this, we provide meaningful, independent, “conflict-of-interest-free” advice to our subscribers.


The “analysis of competing hypothesis”, a method developed and recommended by Senior Intelligence Officer Richard Heuer, is the conceptual framework we’ve chosen for the Monthly Barometer. The reason is this: as human beings, our judgment is plagued by our biases. We tend to form opinions by falling back on intuitions and then seek out evidence to confirm and comfort us in our position, shutting down any dissonant information. The “analysis of competing hypotheses” is a response to this problem. It works by formulating two opposing arguments about any given issue and examining fresh information to see which one is gaining ground - we do this by talking to our network and forcing ourselves to consider all sides of an argument. Each bullet point of the Monthly Barometer is subjected to this scrutiny. Thus armed, we form our opinion and express our conviction.

Thierry Malleret



A unique, outdoors approach

The Monthly Barometer is, to our knowledge, the only advisory boutique in the world to offer its clients the opportunity to work while walking, trekking, climbing or ski-touring.

There is ample evidence in the scientific literature that walking is a cognitive enhancer. Indeed, the power of walking as a generative force of intellect, awareness, and creativity has been recognized by artists and scientists throughout the ages. Nietzsche even famously said: “All truly great thoughts are conceived by walking”.

In a spirit of putting its money where its mouth is the Monthly Barometer has recently become an investor in Mountain Path, a new venture that trades in experiential learning based on its unique formula of “Learning from altitude”. The solutions offered by Mountain Path reflect perfectly our conviction that the great outdoors has much to share with the world of investment not only in terms of an enhanced decision-making environment but also in terms of team and management dynamics.

Read here a short article on why and how physical activity improves cognitive health and decision-making

To read a book that we've written on the subject: "Ten Good Reasons to Go for a Walk"



"The benefits of walking are seemingly endless. As Thierry Malleret shows, we don't just feel better when we walk, we think better, too. Using science along with compelling stories of famous walkers throughout history, Ten Good Reasons to Go for a Walk will get you off the couch to better navigate our stress-filled world." (Arianna Huffington, Founder and CEO, Thrive Global, USA)


Philippe Bourguignon

Olivier Fleurot

Carol Melton

Ted Souder

Partner, Summit of Minds

Blaise Agresti

    • Thierry Malleret is the managing partner of the Monthly Barometer. With his partners, he also runs the Summit of Minds.
    • He was until 2011 a senior partner at IJ (Informed Judgement) Partners, an investment boutique based in Geneva, and prior to that managing partner at Rainbow Insight, an advisory boutique providing tailor-made intelligence to investors which he founded and subsequently sold.
    • Previously, Thierry founded and headed the Global Risk Network at the World Economic Forum, where for a number of years he conceived and put in place the programme for Davos.
    • His other professional experience includes: investment banking (as a Chief Economist and Strategist of a major Russian investment bank and as an Economist at the EBRD in London), think tanks and academia (both in New York and Oxford) and government (with a three-year spell in the Prime Minister's office in Paris).
    • Thierry has written several business and academic books, and has published four novels (two of which under a pen-name). In addition, he is a public speaker with some of the world’s leading agencies. He also sits on several advisory boards.
    • He was educated at the Sorbonne and Ecole des Hautes Etudes en Sciences Sociales in Paris and at St. Antony's College, Oxford. He holds two MAs (in Economics and History) and a PhD in Economics.
    • With his English wife Thierry has four daughters. The whole family is involved in the Summit of Minds!
  • Olivier Fleurot is now a consultant advising companies on corporate communication strategy and digital transformation. He is also mentoring start-ups in various fields such as energy, digital media, and urban mobility.
  • He worked at Publicis from 2006 to 2017, first as CEO of Publicis Worldwide, an international network of advertising agencies, then as CEO of MSL Group, a global network of PR and communication agencies. In 2015 Maurice Levy appointed Olivier to the position of Group Senior Vice-President, in charge of Communication, Real Estate, and Insurance. Olivier took an active part in the recent transformation of Publicis Group which was launched in 2015.
  • From 2002 to 2006, Olivier Fleurot was Chief Executive of the Financial Times Group, a Pearson company, in charge of the group’s newspapers: the Financial Times worldwide, Financial Times Deutschland in Germany, Les Echos in France, Vedemosti in Russia, and FT Business, publisher of Investor’s Chronicle and the Banker. From 1999 to 2002 he was the MD of the Financial Times newspaper.  Olivier was appointed to the Pearson Management Committee in October 2002.
  • He has been alternatively Chairman or vice-Chairman of FTSE, a joint venture between the FT and the London Stock Exchange. Olivier worked in London for 8 years.
  • Before moving to London to take up his role at the Financial Times in January 1999, Olivier was Chief Executive of the Les Echos group, France’s leading business publisher, based in Paris.
  • One of the longest serving employees at Google globally, Ted Souder currently is the Head of Industry, Retail based in Chicago, Illinois. In this role Ted oversees a sales team that is tasked with helping some of the world’s largest retailers leverage digital platforms in order to meet the demands of today’s consumer. Prior to his current role, Ted had other sales and operations leadership roles both in Paris and Chicago. Before joining Google Ted worked at ground breaking start ups AOL, Excite and Echo Networks. Ted also worked for 3 NFL teams helping run game day operations.
  • Ted is an active board member serving as an Executive Committee Member of the Economic Club of Chicago, Vice Chair of the Chicagoland Chamber of Commerce and is a member of the board at 1871, the #1 ranked University affiliated technology incubator in the world. Ted is also a member of Revolution Ventures, Rise of the Rest Expert Network, the Commercial Club of Chicago and the Chicago Council on Global Affairs where he is a member of their Emerging Leaders class of 2014.
  • Ted is an active speaker, advisor and investor globally. An expert in innovation, digital platforms, marketing, the importance of incubators and the Google story, Ted brings 22 years of experience on the front lines of the digital revolution to audiences who are eager to make the transition to being more digital in their thinking and actions.
  • Ted lives in Chicago, Il with his wife Lori, the founder of Here Today, Africa Tomorrow, a conservation focused safari company and their two young children.

Philippe Bourguignon is one of the most highly regarded executives in the travel industry, with an impressive track record as an innovator and leader. A self-proclaimed dreamer, he has dedicated his 40-year career in tourism to changing the way people experience the world by seeking out new and disruptive brands.

He is Vice Chairman of Revolution Places LLC, Co-Chairman of the Board of Exclusive Resorts, a board member of another Revolution company, CAVA and also advises several portfolio companies.

In addition Philippe is an active board member of Neiman Marcus. He also serves on the global board of Operation Hope and is chairman of HOPE Global Forums. He is also chairman of Primonial, and an active investor in OneRagtime, a European disruptive venture platform. He previously served on the board of Zipcar and spent 11-years on the board at eBay.

Between 2003 and 2004, Philippe was co-CEO of the World Economic Forum. Prior to this he was Chairman and CEO of Euro Disney. Previously, as chairman and CEO of Club Med, he was widely credited for the comprehensive turnaround of the company in 2000.

Philippe began his career in tourism with the Accor group and during his 14-year tenure held many senior executive positions within the group.

In 2005, Philippe published his first book, Hop!, on the paradoxes of the world and the French economy.

On a personal note — Philippe is married, and the father of two children. He is a man of many passions – an enthusiastic, competitive yachtsman, proud of a record he set with Bruno Peyron, in 1996 for crossing the English Channel.

  • Carol Melton is CEO of Adeft Capital, a venture capital firm advising and investing in early-stage companies and other U.S. and international businesses. Carol previously served in top management at two global media and entertainment companies. At Time Warner, Carol headed Global Public Policy, where she managed offices in Washington, London, Brussels, Hong Kong and Buenos Aires, overseeing a worldwide portfolio for the company's HBO, Warner Bros. and Turner divisions. Before Time Warner, Carol managed global government affairs for the then-combined Viacom and CBS, where her responsibilities included Paramount, MTV Networks, Showtime, Simon & Schuster and all CBS interests in news and entertainment.
  • Carol serves as a board member of JBG Smith (NYSE: JBGS), the real estate company Amazon selected as its partner to develop its new headquarters location in the Washington, D.C. area. She also is a director and First Vice President of the Economic Club of Washington, and a board member of startup incubator Halcyon. She is a member of the Council on Foreign Relations.
  • Carol has been a moderator and speaker at numerous domestic and international conferences related to trade, the economy, technology and innovation. Washingtonian magazine has repeatedly named her among the 100 Most Powerful Women in Washington, and CO has listed her as one of the 12 Most Powerful Women in DC Tech. New York Moves magazine included Carol among its 25 Power Women for 2017.
  • Earlier in her career, Carol served as Legal Advisor to the Chairman of the Federal Communications Commission; Assistant General Counsel for the organization known today as NCTA/The Internet & Television Association; and as an associate with the law firm now named Hogan Lovells. She holds a JD from American University’s Washington College of Law; an MA in communications from the University of Florida; and a BA from Wake Forest University.
  • She lives in Washington, DC with her husband lawyer and literary scholar Joseph Hassett, and has two adult children who live and work in New York City.

Blaise Agresti is a renowned expert in mountain rescue and crisis management.

For 20 years, he headed up several operational units including the Mountain Rescue Platoon and the National Training Centre in Chamonix. During this period he acted as chief of operations for several major disasters. Having reached the rank of colonel, he was named as the officer responsible for all mountain rescue units throughout France. As a qualified guide, he continued to lead groups and individuals on mountain expeditions.

A graduate of the Saint-Cyr Military Academy and War College in Paris, Blaise was appointed as international project manager in charge of deploying a program to reinforce the skills of the Afghan national police force. He was also responsible for diverse schemes (in China, India and Nepal) to encourage and implement international cooperation in the realm of mountain rescue and disaster management.

After a military career spanning 25 years, Blaise became Global Sales Director at Petzl (a leading mountain equipment company) a position he held for 2 years. During this period he also graduated with an MBA from EM Lyon.

Blaise is now the founding partner and CEO of Mountain Path - a start-up, whose remit is to design and deliver experiential learning expeditions in the mountains and other vertical environments. Mountain Path’s mission is to harness the unique environment of the mountains to inspire its clients, both individually and collectively, to address key organizational, strategic and management issues in a constructive and creative manner. Mountain Path’s offering is defined by a particular focus on leadership skills, mindfulness, crisis management, decision-making in the face of uncertainty and the how the dynamic and atmosphere of the mountains can contribute to better understanding and execution.