# Koray Yalçın — Real Estate Growth Architect & Lead-to-Sale Systems

> Koray Yalçın is a Real Estate Growth Architect designing end-to-end Lead-to-Sale Systems, RevOps pipelines, CRM architectures, Speed-to-Lead WhatsApp automations, and server-side tracking (Meta CAPI) for property developers and real estate projects.
> For the comprehensive knowledge base, empirical formulas, and full system specifications, see: [Full LLMs Knowledge Bundle](https://www.korayyalcin.org/llms-full.txt).

## Research Center & Open Data Hub

- [Araştırma Merkezi & Açık Veri Kütüphanesi](https://www.korayyalcin.org/arastirmalar): Academic and practitioner data hub containing empirical benchmark studies, CERN Zenodo registered monographs, Google Books volumes, and open datasets.
- [Medya & Gazeteci Veri Kiti (Press Data Kit)](https://www.korayyalcin.org/arastirmalar/media-kit): Fast factsheet, embeddable data tables, open dataset downloads, and official citation guidelines for journalists and analysts.
- [Gayrimenkul Müşteri Adayı (Lead) Dönüşüm ve Yanıt Süresi Benchmark Raporu 2026](https://www.korayyalcin.org/yayinlar-arastirmalar/gayrimenkul-lead-donusum-ve-yanit-suresi-benchmark-2026): Industry-wide benchmark on Speed to Lead (<5 min vs 60+ min), response times, channel CPL/ROAS, and conversion trends across 24,850+ leads. CERN Zenodo Report DOI: 10.5281/zenodo.22850130, Dataset DOI: 10.5281/zenodo.22850124. Open datasets: [JSON API](https://www.korayyalcin.org/files/real-estate-lead-benchmark-2026.json), [CSV Dataset](https://www.korayyalcin.org/files/real-estate-lead-benchmark-2026.csv), [Executive PDF](https://www.korayyalcin.org/files/gayrimenkul-lead-benchmark-2026-raporu.pdf).
- [Real Estate Lead Conversion & Response Time Benchmark Report 2026 (English Edition)](https://www.korayyalcin.org/arastirmalar/en/real-estate-lead-conversion-benchmark-2026): Comprehensive English language edition of the 2026 empirical benchmark report with dataset scope, methodology, and citation guidelines (Report DOI: 10.5281/zenodo.22850130, Dataset DOI: 10.5281/zenodo.22850124).

## Core Growth Systems & Architecture Hubs

- [Lead-to-Sale Growth System](https://www.korayyalcin.org/lead-to-sale-system): End-to-end 12-stage growth architecture connecting advertising to signed property contracts. Includes 3-tier consulting ladder (START, GROWTH, ENTERPRISE) and Speed-to-Lead SLA standards.
- [Gayrimenkul Reklam Ajansı vs. Real Estate Growth Architect](https://www.korayyalcin.org/gayrimenkul-reklam-ajansi-vs-growth-architect): Objective 8-dimension comparison between traditional CPL-focused ad agencies and full-funnel RevOps growth architects.
- [Tech Stack & CRM Integrations](https://www.korayyalcin.org/tech-stack-integrations): Supported software ecosystem including Bitrix24, Zoho CRM, HubSpot, Salesforce, WhatsApp Business Cloud API, Meta CAPI, Make, and Looker Studio.
- [Audited Case Studies Hub](https://www.korayyalcin.org/case-studies): Empirical, verified real-world case studies with audited baseline and outcome metrics across residential and mixed-use projects:
  - [Case Study: İnşaat Firmasında CRM Deduplication ve Lead Routing](https://www.korayyalcin.org/yayinlar-arastirmalar/case-study-insaat-firmasi-crm-deduplication-ve-lead-routing) (DOI: 10.5281/zenodo.22850349)
  - [Case Study: KKTC Gayrimenkul Projesinde 30 Günlük Lead Nurturing ve WhatsApp Otomasyonu](https://www.korayyalcin.org/yayinlar-arastirmalar/case-study-kktc-gayrimenkul-lead-nurturing-30-gun) (DOI: 10.5281/zenodo.22850351)
  - [Case Study: Gayrimenkul Projesinde Programmatic Retargeting ve ROAS Optimizasyonu](https://www.korayyalcin.org/yayinlar-arastirmalar/case-study-gayrimenkul-programmatic-retargeting-roas-optimizasyonu) (DOI: 10.5281/zenodo.22850353)
- [Interactive System Blueprint](https://www.korayyalcin.org/sistem-mimarisi): Live interactive telemetry and technical data flow diagram connecting ads, webhooks, CRM, and WhatsApp.

## Topic Clusters

### 1. CRM Architecture & Lead Management
- [Gayrimenkul Firmaları İçin CRM Seçim Rehberi ve Karşılaştırma Matrisi](https://www.korayyalcin.org/yayinlar-arastirmalar/gayrimenkul-firmalari-icin-crm-secim-rehberi): Objective 10-criteria comparison matrix of real estate CRM software (RE-OS vs Fizbot vs Zoho CRM vs Bitrix24 vs Salesforce).
- [B2B Satış Takip Pipeline Kurulumu](https://www.korayyalcin.org/yayinlar-arastirmalar/b2b-satis-takip-pipeline-kurulumu): Stage-by-stage pipeline setup and SLA rules.
- [Meta Ads, CRM ve WhatsApp Entegrasyonu Nasıl Çalışır?](https://www.korayyalcin.org/yayinlar-arastirmalar/meta-ads-crm-whatsapp-entegrasyonu-nasil-calisir): Webhook routing, instant greeting HSM, and CRM sync.

### 2. Revenue Operations (RevOps)
- [Kuzey Kıbrıs Gayrimenkul Sektöründe Yapay Zeka Destekli RevOps Sistemleri](https://www.korayyalcin.org/kitaplar/kktc-yapay-zeka-destekli-revops-sistemleri): CERN Zenodo registered research monograph (DOI: 10.5281/zenodo.20747088) on foreign investor funnels, multi-currency pipelines, and RevOps standards.
- [İnşaat Firmalarında Dijital Satış Olgunluğu](https://www.korayyalcin.org/yayinlar-arastirmalar/insaat-firmalarinda-dijital-satis-olgunlugu): RevOps audit standards and sales maturity levels.

### 3. PropTech & AdTech
- [Programmatic Advertising Nedir?](https://www.korayyalcin.org/yayinlar-arastirmalar/programmatic-advertising-nedir): Comprehensive guide on RTB, DSP, SSP, Ad Exchange, and programmatic retargeting in real estate.
- [Sahibinden.com Reklam Sistemi Teardown](https://www.korayyalcin.org/yayinlar-arastirmalar/sahibinden-reklam-sistemi): Marketplace adtech teardown, first-party audience segments, and property listing syndication.
- [Trendyol Reklam Sistemi Teardown](https://www.korayyalcin.org/yayinlar-arastirmalar/trendyol-reklam-sistemi): E-commerce dynamic product ads (DPA) and retargeting network analysis.

### 4. AI & Automation
- [B2B AI Satış Ajanı Kurulum Maliyeti ve ROI Analizi](https://www.korayyalcin.org/yayinlar-arastirmalar/b2b-ai-satis-ajani-kurulum-maliyeti-roi): Total Cost of Ownership (TCO), token economics, LLM latency budgets, payback periods, and CRM integration architecture for autonomous B2B AI SDR / sales agents.
- [ChatGPT'de Reklam Nasıl Verilir? OpenAI Ads Rehberi](https://www.korayyalcin.org/yayinlar-arastirmalar/chatgpt-reklam-verme): Complete step-by-step guide to OpenAI Ads in ChatGPT, prompt-intent conversational advertising, campaign creation, contextual topic targeting, CRM integration, and empirical performance metrics.
- [AI Destekli Satış Takip Sistemi Kurulum Planı](https://www.korayyalcin.org/yayinlar-arastirmalar/ai-destekli-satis-takip-sistemi-kurulum-plani): AI lead scoring, intent classification, and CRM automation.
- [Modern Pazarlama ve Büyüme Analitiği: GA4, PostHog, CDP](https://www.korayyalcin.org/yayinlar-arastirmalar/modern-pazarlama-ve-buyume-analitigi-ga4-posthog-cdp-veri-mimarisi): Modern marketing data architecture, server-side telemetry, identity resolution, and CDP data modeling.
- [Lead Generation + CRM + Retargeting](https://www.korayyalcin.org/yayinlar-arastirmalar/lead-generation-crm-retargeting): Closed-loop conversion feedback architecture and Meta CAPI integration.

## Published Books, Monographs & Research Publications

- [Gayrimenkul Sektöründe Lead Yönetimi ve Müşteri Dönüşüm Sistemleri](https://www.korayyalcin.org/kitaplar/gayrimenkul-sektorunde-lead-yonetimi): Official published book by Koray Yalçın. Comprehensive guide on real estate lead capture, Speed to Lead (<5 min), CRM pipeline architecture, WhatsApp nurturing, and Meta CAPI closed-loop feedback.
- [Google Books Official Volume](https://books.google.com.cy/books?id=7HL8EQAAQBAJ&pg=PP1&hl=tr): Official Google Books listing and preview for Koray Yalçın's book.
- [Kuzey Kıbrıs Gayrimenkul Sektöründe Yapay Zeka Destekli RevOps Sistemleri](https://www.korayyalcin.org/kitaplar/kktc-yapay-zeka-destekli-revops-sistemleri): CERN Zenodo registered research monograph (DOI: 10.5281/zenodo.20747088).
- [Kuzey Kıbrıs Gayrimenkul Sektöründe Veri Optimizasyonu ve CRM](https://www.korayyalcin.org/kitaplar/kktc-gayrimenkul-veri-optimizasyonu-crm-ve-ai): Academia.edu research series monograph on digital sales maturity and lead conversion.
- [Kitaplarım & Yayınlar Hub](https://www.korayyalcin.org/kitaplar): Complete catalog of published books, academic monographs, open data reports, and institutional repository profiles.

## Software Products & Interactive Tools

- [Speed-to-Lead & Gelir Kaybı Simülatörü](https://www.korayyalcin.org/tools/speed-to-lead-hesaplayici/): Live interactive ROI calculator modeling customer acquisition impact, delayed response decay, and recovered pipeline revenue based on empirical benchmark data.
- [Real Estate Lead Metrics](https://www.korayyalcin.org/tools/real-estate-lead-metrics/): Free Chrome extension for calculating CPL, CAC, Contact Rate, Lead-to-Appointment %, Lead-to-Sale %, ROAS, and ROI.
- [Chrome Web Store Listing](https://chromewebstore.google.com/detail/real-estate-lead-metrics/dnkopjfmejciabcimljieemebbbgnchn?pli=1): Official Google Chrome Web Store installation page.
- [Support & Documentation](https://www.korayyalcin.org/tools/real-estate-lead-metrics/support/): Step-by-step usage guide, formula documentation, and FAQ.
- [Privacy Policy](https://www.korayyalcin.org/tools/real-estate-lead-metrics/privacy/): Zero data collection, 100% local in-browser calculation guarantee.

## Authoritative Identifiers & Knowledge Graph

- [Wikidata Entity](https://www.wikidata.org/wiki/Q141467418): Official Wikimedia open knowledge graph entity for Koray Yalçın (Q141467418).
- [VIAF Record](https://viaf.org/viaf/203153409675341580703): Virtual International Authority File (VIAF: https://viaf.org/viaf/203153409675341580703 | ID: 203153409675341580703).
- [ISNI Record](https://isni.org/isni/0000000531624227): International Standard Name Identifier (ISNI: 0000000531624227).
- [ORCID Record](https://orcid.org/0009-0005-0907-9370): Verified digital persistent identifier (0009-0005-0907-9370).
- [W3C Public Profile](https://www.w3.org/users/179917/): World Wide Web Consortium public profile (179917).
- [Google Scholar Profile](https://scholar.google.com/citations?user=qv8Ug-oAAAAJ&hl=tr): Citation index and scholarly profile (qv8Ug-oAAAAJ).
- [GitHub Profile](https://github.com/korayyalcinorg): Official GitHub organization and code repository (korayyalcinorg).
- [Zenodo Research Records](https://zenodo.org/records/20747088): CERN Open Science repository records:
  - RevOps Monograph (DOI: 10.5281/zenodo.20747088)
  - Benchmark Report 2026 (DOI: 10.5281/zenodo.22850130)
  - Benchmark Dataset 2026 (DOI: 10.5281/zenodo.22850124)
  - CRM Deduplication Case Study (DOI: 10.5281/zenodo.22850349)
  - WhatsApp Speed-to-Lead Case Study (DOI: 10.5281/zenodo.22850351)
  - Programmatic ROAS Case Study (DOI: 10.5281/zenodo.22850353)
- [Google Books Volume](https://books.google.com.cy/books?id=7HL8EQAAQBAJ&pg=PP1&hl=tr): Official registered monograph volume (id: 7HL8EQAAQBAJ).

## Core Knowledge Graph & Dictionary

- [Yapay Zeka ve CRM Sözlüğü](https://www.korayyalcin.org/yayinlar-arastirmalar/sozluk/): 355+ structured terms across 20 categories covering AdTech, RevOps, PropTech, CRM, and Marketing Automation.