What I do
I lead strategy and transformation initiatives in mobility, defence and industrial manufacturing — mid-sized, founder- or family-owned companies and group structures.
I help organisations:
- detect strategic drift before it affects performance
- align strategy, execution, and organisational structure
- build from scratch, or restructure what is already there
- design ecosystem-based growth models across industrial value chains
- use AI-enabled awareness to sharpen decision-making, not to replace it
- translate weak signals into actionable strategic direction
My focus is not only on improving performance, but on ensuring organisations are moving in the right direction as they perform.
HOW I WORK (Stage 2 subpage)
Group Companies
I serve on the boards of four companies within the Cadem Group and lead group strategy and business development. The group operates as separate companies, each with its own brand and market:
The problem I focus on
Most organisations do not fail because systems stop working.
They fail because systems keep working — while direction, trust, and meaning quietly erode.
Operations run. KPIs are met. Everything looks fine. But:
- assumptions go unchallenged
- signals are ignored
- direction slowly drifts
By the time the issue becomes visible, it is already expensive.
This is not a performance problem. It is a decision problem — and most organisations do not have a system designed to detect it.
I work through a lens I call The Depth Mirror: a way of testing whether a system that looks healthy is actually pointed in the right direction. (More on this further down — it's the worked-out version of how I think.)
How I create value
My work focuses on making this invisible layer visible early enough to act.
I typically operate across:
- Strategy and transformation leadership
- Ecosystem development (mobility, engineering, industrial systems)
- AI-enabled decision and awareness systems
- Cross-functional alignment (business, technology, organisation)
- Strategic positioning in complex, multi-industry environments
In simple terms: I help organisations see what their current systems are not designed to reveal, and act before it becomes costly.
Selected impact
CDMTech — Executive Board Leadership
Led cross-functional strategic initiatives across planning, KPI governance, agile transformation, certification sponsorship, and innovation alignment.
TRAGGER XTV — Strategic Positioning
Supported the positioning of an autonomous electric unmanned ground vehicle platform across defense, logistics, and industrial applications.
GCIP Türkiye — CleanTech Mentorship
Mentored ClimateTech ventures on strategy, positioning, scale-up logic, and ecosystem integration.
Across all cases, the core contribution is consistent: making hidden structure visible and enabling better decisions earlier.
Background & Track Record (1993–2024) (Stage 2 subpage)
Where I create the most value
- Chief Strategy Officer / Head of Strategy / Strategy & Planning Director
- Operations & Transformation Director / General Manager / Deputy CEO
- Ecosystem Development & Strategic Partnerships leadership
- Board advisory and senior mandates on strategy, transformation, and decision quality
I am particularly effective in organisations where:
- performance is stable, but direction may be drifting
- growth requires ecosystem and cross-industry coordination
- leadership needs clearer visibility into emerging risks and opportunities
How I think — the evidence layer
Everything below is not a side project. It is the worked-out version of the thinking I bring into a role — published, tested in public, and organised so you can see how I reach a judgment, not only what I conclude.
The Depth Mirror
The full development of the lens above: leadership as decision structures, strategy as drift detection, AI as a depth mirror rather than an answer engine. It connects leadership, decision architecture, weak signals, AI-enabled thinking, and organizational drift into one coherent framework.
The Depth Mirror · The Depth Mirror Framework (Stage 2 subpage)
- Companion reading: NOMOS — On the Architecture of Meaning · Signals Before the Crisis (forthcoming)
- In conversation: Şirket tıkır tıkır çalışırken, pusula şaşar mı? — the lens tested live with Yaprak Özer, Indeks · October 2026 (in Turkish)
- Association Atlas (Çağrışım Atlası) — the essay series the books are drawn from
Çağrışım Atlası — the source series
The Turkish essay series the books are drawn from: structural readings of institutions, markets and decision-making — weak signals, quiet drift, and who writes the rules. A weekly essay, published on LinkedIn. The latest completed arc (#48–#54) follows one question across seven essays: who writes the rule — and how rule-writing itself ages.
📄 Essay archive → LinkedIn (Stage 2 subpage)
Concept deep-dives — where a claim comes from
A separate series, in video. One concept from an essay is taken back to its source: not the version that circulates, but what its author actually claimed. What the concept was built to do, how it flattened as it spread, and what remains usable now.
The point is method, not coverage. Each piece shows the reasoning end to end — the original text, the literal quotation, the gap between the popular reading and the author's own, and where my reading departs from theirs. That boundary is marked out loud, every time.
First episode: the Triple Bottom Line, and why the man who coined it issued a recall twenty-four years later.
Concept deep-dives → https://youtube.com/playlist?list=PLJA5-j4tSlW8&si=T9BL9yYrQ8TdaRgX
Weak Signals · Zayıf Sinyaller
One theme, eighteen published pieces across three formats: six essays, six recorded discussions, and six video extensions that carry each essay further.
The Weak Signals series (Stage 2 subpage)
Technology Pool — the trade-press line
Shaping the sector according to the technology, not the technology according to the sector.
One argument developed across the trade press, issue by issue. Read in order. (In Turkish.)
- DUAL USE ile Türk Tedarik Sanayine Fırsatlar · SubconTurkey · September 2025
- Dual Use 2.0 – Otomotivden Tarıma · SubconTurkey · October 2025
- Dual Use 3.0 – Otomotivden Raylı Sistemlere · SubconTurkey · November 2025
- Raylı Sistemlerde Teknoloji Havuzu Yaklaşımı · Railway Turkey · issue 50, Oct–Dec 2025
- DUAL USE 4.0 – Malzemeyi Sistemsel Düşünmek · SubconTurkey · December 2025
- Otomotivden savunmaya: Dual Use ile sanayinin kolektif dönüşümü · TAYSAD Dergisi · issue 147, December 2025
- Teknoloji Havuzu ile Stratejik Yakınsama · SubconTurkey · January 2026
- URAYSİM'i Yeniden Düşünmek: Test Merkezi mi, Platform mu? · Railway Turkey · issue 51, Jan–Mar 2026 (print)
- Dual Use Evrimi: Yeni Pazarlar Nerede Oluşuyor? · SubconTurkey · February 2026
- Tedarik sanayinden teknoloji havuzuna: Çok pazarın gerçek anlamı · TAYSAD Dergisi · issue 149, Mar–Apr 2026
The Frame Comes From Outside — when the rule is written elsewhere
The Customs Union's real export was not the tariff. It was the method.
A second line across the same column: what happens to an industry when the measurement rules — quality, carbon, data — are written somewhere else, and arrive as design inputs rather than reporting burdens. Read in order. (In Turkish.)
- Avrupa Sanayi Yeniden Kuruluyor · SubconTurkey · March 2026
- Otomotivde Yeni Normal · SubconTurkey · April 2026
- Automechanika'dan 2030'a · SubconTurkey · May 2026
- İki Salonun Arasında · SubconTurkey · June 2026
- Otomotiv Yan Sanayinde Sessiz Kayma · SubconTurkey · July 2026
- Dijitalleşmede asıl soru: Veri kararı buluyor mu? · TAYSAD Dergisi · issue 151, Jul–Aug 2026
- Yan Sanayide Kaybolan Kalemler · SubconTurkey · August 2026
Writing & platforms
The Depth Mirror essay series in English
Medium (Stage 2 subpage)
English audio and video essays, and short notes that extend the writing
Substack (Stage 2 subpage)
Concept deep-dives and essay extensions in Turkish
YouTube (Stage 2 subpage)
Recorded discussions of the essays, in Turkish
Spotify (Stage 2 subpage)
Where “Çağrışım Atlası”, the Turkish essays are published first
LinkedIn (Stage 2 subpage)
Monthly column on structural shifts in industrial supply chains — Turkish trade press
SubconTurkey (Stage 2 subpage)
Full archive: subconturkey.com.tr/samih-yedievli
Short Notes
X (Stage 2 subpage)
Let’s connect
I take on select senior roles and mandates where this is the work: Strategy & Planning leadership, Operations & Transformation (GM / Deputy CEO), and ecosystem-driven Business Development — in industrial, mobility, defence, energy, and technology-driven groups.
I am particularly interested in leadership conversations around strategy and transformation, ecosystem development, AI-enabled decision systems, and industrial and mobility domains — especially in organisations navigating growth, complexity, or repositioning.
My axis: build-from-scratch or restructuring responsibility at General Manager / Managing Director level, in mobility, defence and broader industrial manufacturing — mid-sized, founder- or family-owned companies, or companies inside a group structure. Türkiye-based, with regional responsibility tied to the DE/Central Europe axis.