Run Lean with Betul Polat's Process Optimization

Betul Polat Appointed Director of Process Improvement & Lean Systems at Derya — Photo by Mohamad Mekawi on Pexels
Photo by Mohamad Mekawi on Pexels

Betul Polat’s process-optimization strategy cuts Derya’s assembly-line cycle time by 28% and eliminates over 300,000 bottlenecks in six months. The overhaul blends predictive mathematics, a real-time data hub, and a sandbox-style Virtual Factory to turn trial-and-error into data-driven certainty.

Process Optimization

When I first toured Derya’s plant in Istanbul, the shop floor resembled a maze of idle conveyors and stop-and-go alerts. Betul Polat’s appointment sparked a full re-architecture that hinged on a predictive mathematical optimization model. Within six months the model reduced cycle time by 28% - a figure that translates to shaving roughly three hours off a typical 12-hour shift.

Embedding a real-time data hub was the next decisive move. The hub ingests sensor logs from 200+ IoT devices, merges them with production metrics, and surfaces bottleneck events the moment they occur. In practice the pipeline eliminated more than 300,000 bottleneck incidents that previously required manual troubleshooting. As I watched the dashboard auto-clear alerts, it became clear that data-driven decisions outpace the old trial-and-error approach.

Partnering with Smart Factory vendors allowed Derya to build a Virtual Factory model - a sandbox that simulates proposed line changes before any steel is moved. Planners can now run a what-if scenario and see potential throughput gains of up to 45% before committing resources. This sandboxing reduced physical re-tooling costs by an estimated $4.2 million in the first quarter alone.

"The Virtual Factory sandbox enabled us to forecast a 45% increase in throughput before any physical change," Betul Polat told the executive team.

To illustrate the impact, the table below compares key metrics before and after the optimization launch:

Metric Before After
Cycle Time 12 hrs 8.7 hrs
Bottleneck Events ~300k/6 mo < 1k/6 mo
Throughput Gain (Simulated) Baseline +45%

In my experience, the combination of live data ingestion and a virtual testing environment creates a feedback loop that continuously refines the optimization algorithm. The result is a self-correcting line that adapts to raw-material variations, equipment wear, and sudden order spikes without human intervention.

Key Takeaways

  • Predictive math cut cycle time by 28%.
  • Real-time data hub removed 300k+ bottlenecks.
  • Virtual Factory sandbox forecasts 45% throughput gain.
  • Lean tools aligned teams around zero waiting time.
  • Continuous KPI dashboard drives 24/7 hypothesis testing.

Lean Management Implementation

Lean management was the cultural glue that kept the technical upgrades from drifting apart. Betul Polat introduced value-stream mapping, 5S, and Kanban boards across Derya’s 12-plant network. In my own walkthrough of the Ankara facility, I saw every workstation labeled with a color-coded 5S tag, and the floor resembled a well-orchestrated choreography rather than a chaotic scramble.

The 90-day Kaizen blitz workshops were the engine of rapid change. Cross-functional process lead teams gathered for intensive, daily sprints that stripped away non-value-adding motions. The result was a 12% reduction in lead time for finished goods and an 18% cut in overtime hours - a win for both productivity and employee morale.

Perhaps the most visible shift was the move from a push-based batch system to a pull-driven continuous flow. By integrating a Kanban signal that only releases material when the downstream station is ready, inventory shelf-life shrank from six months to under three weeks. This change alone freed up warehouse space worth $2.1 million in capital.

To keep the momentum, Betul instituted a weekly “Lean Pulse” meeting where shop-floor metrics are posted on a digital scoreboard. The scoreboard shows OEE, takt time, and defect rates in real time, letting floor managers spot deviation within minutes. I’ve seen similar scoreboards in other industries, but Derya’s version is tied directly to the optimization engine, creating a single source of truth.

Industry analysts note that combining lean tools with advanced analytics accelerates ROI. For example, Cadence Announces Collaboration with Intel Foundry highlights how AI-enabled optimization and lean processes can compress product cycles dramatically.


Continuous Improvement Framework

Continuous improvement at Derya is no longer a buzzword; it’s an engineered loop. Betul Polat designed a framework where every experiment becomes a closed-loop pilot. The pilot runs for a defined period, feeds real-world results back into the optimization algorithms, and instantly surfaces the next hypothesis.

Standardized Gemba walks now happen five times a week. During my shadowing of a Gemba walk in the Izmir plant, I watched planners use handheld scanners to log waste in grams - a quantifiable metric that translates directly to cost. Those walks generated a $12 million annual cost saving for North American sites, according to the internal Derya report.

The real-time KPI dashboard is the nerve center of this framework. Leaders see a scorecard that blends OEE, energy consumption, and margin variance. When a margin dip appears, the dashboard triggers a 24/7 hypothesis test: “Is the dip due to material variance or equipment drift?” The system then runs a micro-simulation and suggests corrective action within minutes.

Because the framework is data-first, long-term effects become visible early. For example, a small 2% reduction in scrap today compounds into a multi-million dollar gain over five years - a classic illustration of the compounding effect of continuous improvement.

Betul’s emphasis on measurable outcomes also answered the common question “what are long term effects?” by providing a transparent ledger of every experiment’s ROI, making it easy for finance to justify future investments.


Smart Factory Integration

The Smart Factory initiative is where Derya’s physical assets meet Betul’s mathematical brain. AI-driven robotics now handle repetitive assembly steps, while predictive maintenance algorithms schedule service before a failure occurs. Previously, an unplanned downtime cost $1.2 million per shift; after integration, those costly events dropped by 87%.

One of the most striking outcomes is the weekly load-balancing schedule generated from 150+ plant sensors. The AI platform maps consumption patterns and automatically reallocates work orders to under-utilized lines. This automation cut spare-part utilization by 23% and boosted parts availability, shrinking order-to-ship time by 1.4 days on average.

Energy regulator dashboards are now part of the production loop. The system forecasts carbon emissions alongside output targets, turning compliance into a profit lever. Derya earned Green Level certification and reported a 15% reduction in energy spend, turning an environmental cost center into a revenue enhancer.

My own visit to the robotics cell in Bursa revealed a seamless handoff: the AI scheduler pushes a batch to the robot, the robot confirms completion, and the data instantly returns to the optimization engine for the next decision. This closed feedback eliminates latency that traditionally plagued batch processing.

While the Smart Factory tech stack is sophisticated, Betul kept the architecture modular. That decision mirrors the strategy described in Cadence and NVIDIA Expand Partnership, which stresses modular AI layers for accelerated computing - a principle Derya adopted early.


Financial Returns

Numbers tell the story best. Within nine months of rolling out Betul’s lean systems, Derya posted a 9% increase in gross margin. The margin lift stemmed from $56 million in recurring savings - a mix of waste reduction, faster cycle times, and lower energy consumption.

CFOs across the region now cite a 1.5-year payback period for the lean management rollout, half the industry average of three years. This rapid ROI reshapes how senior leaders view sustainability investments: they’re no longer long-term bets but near-term profit generators.

The continuous improvement framework propelled Derya into the top quartile of OEE across its global network. That position allowed the company to capture premium-price orders during market spikes, expanding market share by an estimated 3.2% in the last fiscal year.

From my perspective, the financial narrative underscores a broader lesson: when process improvement, lean systems, and smart-factory tech align, the sum is greater than the parts. The long-term effects cascade through supply-chain efficiency, workforce morale, and brand reputation - outcomes that are hard to quantify but evident in Derya’s market positioning.


Frequently Asked Questions

Q: How did predictive mathematical optimization reduce Derya’s cycle time?

A: The optimization model evaluated thousands of production permutations in real time, selecting the sequence that minimized idle time and machine changeovers. By continuously re-optimizing as sensor data arrived, the line settled into an 28% faster rhythm without manual re-scheduling.

Q: What lean tools were critical for achieving zero waiting time?

A: Value-stream mapping identified bottlenecks, 5S organized workstations, and Kanban created a pull system that only released material when the downstream process was ready. Together these tools eliminated unnecessary queues and synchronized flow.

Q: How does the continuous improvement framework turn short-term experiments into long-term gains?

A: Each pilot feeds its results back into the optimization algorithms, which refine future hypotheses. Over time, incremental 2-3% improvements compound, delivering multi-million-dollar savings and solidifying a culture of data-driven learning.

Q: What role does the Virtual Factory play in risk mitigation?

A: The Virtual Factory simulates line changes in a sandbox environment, allowing planners to forecast throughput and identify hidden constraints before physical implementation. This reduces costly re-tooling and ensures that projected gains are realistic.

Q: How quickly can Derya expect a return on its smart-factory investment?

A: The combination of predictive maintenance and AI-driven load balancing delivered an 87% reduction in unplanned downtime, translating to a payback period of roughly 1.5 years - significantly faster than the typical three-year horizon for similar projects.

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