--- title: "Lyoen & Partners — Board Operating System for SEA mid-market CEOs" description: "Lyoen & Partners helps mid-market CEOs in Southeast Asia build a Board Operating System — the cadence and decision rights behind how critical decisions get made." lang: en-US json-ld: | [ { "@context": "https://schema.org", "@type": "WebSite", "name": "Lyoen & Partners", "url": "https://lyoenandpartners.com" }, { "@context": "https://schema.org", "@type": "Organization", "name": "Lyoen and Partners Limited", "alternateName": "L&P", "url": "https://lyoenandpartners.com", "logo": "https://lyoenandpartners.com/apple-touch-icon.png", "description": "Fractional governance consulting and Board Operating System for mid-market CEOs and scale-up founders in Southeast Asia.", "foundingDate": "2024", "founder": { "@type": "Person", "name": "Sylvain Lyoen" }, "address": { "@type": "PostalAddress", "addressLocality": "Wan Chai", "addressRegion": "Hong Kong" }, "sameAs": [ "https://www.linkedin.com/in/slyoen", "https://www.linkedin.com/company/lyoen-and-partners", "https://x.com/slyoen" ] }, { "@context": "https://schema.org", "@type": "WebPage", "name": "Lyoen & Partners — Board Operating System for SEA mid-market CEOs", "description": "Lyoen & Partners helps mid-market CEOs in Southeast Asia build a Board Operating System — the cadence and decision rights behind how critical decisions get made.", "url": "https://lyoenandpartners.com/", "mainEntityOfPage": "https://lyoenandpartners.com/" } ] --- [Skip to content](#main-content) [Skip to main content](#main-content) [![Lyoen & Partners — Home](/images/Logo_Sylvain_and_Partners_1800x1800.svg)](/) [Book a discovery call](https://calendar.app.google/N6XRaqusi4mpeNvg9?lang=en-US) # Your strategy isn't the problem. The operating system above execution is. When governance, decision rhythm, KPI trust, and follow-through weaken, growth stalls even when demand is real. For mid-market CEOs facing growth drag, board friction, and unreliable operating discipline. Start where every CEO should — by knowing where the operating system is leaking. [Run the 5-min BOS diagnostic](/diagnostic) [Already know? Book the 60-min call](https://calendar.app.google/N6XRaqusi4mpeNvg9?lang=en-US) ## The pattern is structural, not personal. The pattern usually shows up before the numbers fully admit it: 01 Board packs get thicker, but decisions get weaker 02 KPI debates replace action 03 The same issues keep resurfacing 04 Follow-through fragments after the room 05 The CEO becomes the unofficial integration layer ## The Board Operating System is everything before, during, and after the meeting. Before Preparation · Challenge · Signal quality During Decision clarity · Trade-off discipline · Accountability After Action tracking · Cadence · Ownership The Board Operating System is not the meeting itself. It is the operating cycle that determines whether governance creates clarity or destroys it: preparation before the room, decision discipline inside the room, and accountability after the room. READ THE METHODOLOGY BEHIND THIS ## Governance intelligence, updated weekly. Every Monday, board governance research from McKinsey, Deloitte, PwC, HBR, WEF, MAS and more — curated for mid-market CEOs in SEA. Decision quality [ ### Strategy Oversight Amid Volatility KPMG Wednesday, May 13, 2026 ](https://kpmg.com/us/en/board-leadership/articles/2026/strategy-oversight-amid-volatility.html) Boardroom performance [ ### Spencer Stuart's CEO on trust and tension in the boardroom Semafor Friday, August 21, 2026 ](https://www.semafor.com/article/08/21/2026/spencer-stuarts-ceo-on-trust-and-tension-in-the-boardroom) Governance execution [ ### SID Directors Conference 2026: 'New Game, New Rules' Singapore Institute of Directors Friday, August 28, 2026 ](https://www.sid.org.sg/Web/Web/Events/Event_Display.aspx?EventKey=ESDC280826) [ACCESS ALL INSIGHTS →](/insights) ## What changes in 30, 90, and 180 days 30 days ### Stop the bleeding - The 250-page board pack dies. Replaced by a 1-page Decision Brief. - A single decision/action log becomes the source of truth. - The first board cycle runs on the new rhythm — fewer surprises in the room. 90 days ### The system takes over - 80% of board actions are tracked, traceable, and visible. - Exception dashboards replace status decks. - The CEO prepares in minutes, not days. The team trusts the KPIs instead of debating them. 180 days ### Your team owns it - Governance Steward — COO or Chief of Staff — runs the BOS independently. - Full methodology transfer complete. Zero consultant dependency from Day 181. - The cycle is self-reinforcing. You get back the time you spent holding it together. ## Who's behind this ### Embedded fractional senior operator Working inside your operating rhythm, not alongside it ### CEO-level cadence Direct with the leadership team, not filtered through layers ### Methodology transfer The system is designed to run without outside scaffolding ### Designed to leave the team stronger, not dependent Transfer, not dependency ### Fractional, embedded, time-boxed One day per week for six months. CEO-level cadence. No consulting army, no permanent retainer, no full-time C-level salary. The framework is the deliverable. On Day 181, your team operates the system without us. One day per week for six months. CEO-level cadence. No consulting army, no permanent retainer, no full-time C-level salary. The framework is the deliverable. On Day 181, your team operates the system without us. WHAT IS FRACTIONAL ENGAGEMENT? → ## Why this exists The pace of decisions, the volume of stakes, and the complexity of execution have grown exponentially. While the operating system above execution, the cadence, the discipline, and the follow-through, has not. Most growth ceilings are not market problems. They are top-of-house operating problems. The board cycle becomes the bottleneck. Decisions stall, reverse, or arrive too late. The CEO becomes the integration layer between functions that should be talking to each other. Lyoen & Partners exists to fix that. ## Who's behind this ![Sylvain Lyoen](https://ukpshcqyuzwgmkhglupo.supabase.co/storage/v1/object/public/media/20251024%20Sylvain%20_Lyoen%20v1.1.jpg) ### Sylvain Lyoen Founder, Lyoen & Partners Sylvain Lyoen has spent three decades leading complex transformations across North America, Europe, the Gulf, and Southeast Asia — most recently as Director, Agile Program Management at Publicis Sapient (Riyadh and Paris), and previously with Deloitte, Capgemini, and KPMG. Notable engagements include a €32M Telco-to-TechCo transformation in the GCC, a €11Bn B2B omnichannel rollout across EU and North America, and a 55-FTE digital factory built from zero in Dallas. Lyoen & Partners is the firm that operates the methodology Sylvain refined across four continents. PCA-certified · INSEAD TBAI · SAFe SPC · Based in Bangkok · Operating across SEA & GCC [FULL STORY →](/about) ### When one decision needs sharper challenge, PARRY sits below the broader system. Sometimes the issue is structural — that's what BOS addresses. Sometimes one decision just needs sharper challenge before the room — that's what PARRY does. PARRY is the product we built when we realised most decisions fail in the thinking, not the meeting. Available standalone or as an optional layer inside a BOS mandate. [Explore PARRY →](https://getparry.com) [![Lyoen & Partners](/images/Logo_Sylvain_and_Partners_1800x1800.svg)](/) [![PARRY](/images/parry_light_editorial.svg)![PARRY](/images/parry_dark_primary.svg)](https://app.getparry.com/auth) Board Operating System for SEA mid-market CEOs. ### Navigate - [FAQ](/faq) - [Board Operating System](/board-operating-system) - [Insights](/insights) - [About](/about) - [Contact](/contact) ### Legal - [Privacy](/privacy) - [Terms](/terms) - [Cookies](/cookies) - [Disclaimer](/disclaimer) - [Accessibility](/accessibility) © 2026 Lyoen & Partners Limited. All rights reserved. We use essential cookies to make the site work. 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