Alexander Modestov

AI/ML and Analytics Expert

LinkedIn

About

Alexander Modestov is a highly accomplished AI/ML and Data Analytics Expert with 10 years of experience spearheading robust data infrastructure development, implementing AI-driven solutions, and optimizing complex data pipelines. He excels at leading high-performing teams to deliver actionable insights, consistently driving substantial improvements in user engagement, conversion rates, cost savings, and overall productivity. His expertise spans AI-driven solutions, data warehousing, A/B testing, and ML-powered systems, positioning him as a strategic asset for data-intensive organizations.

Work Experience

AI/Data Consultant, Product Analytics

Independent Projects

Jun 2024 - Jul 2024

Led the establishment of a full-scale analytics department and developed advanced AI/ML solutions for product analytics, driving significant improvements in data infrastructure and communication analysis.

  • Established a full-scale analytics department from inception, implementing Amplitude, Branch.io, and Looker, and designing a scalable DWH/ETL infrastructure.
  • Developed an AI-driven communication analysis tool for an EdTech startup, automating transcription, semantic parsing, and seller performance recommendations using GenAI (OpenAI, Claude, Mistral, Llama).
  • Designed and implemented a video analytics pipeline utilizing YOLO and custom ML models to detect and classify specific behavioral events in video streams.
  • Created a Retrieval-Augmented Generation (RAG) system for an internal AI assistant, streamlining onboarding and knowledge transfer for new employees.

Head of Analytics

Smart Solutions

May 2023 - May 2024

Spearheaded the development of AI-driven solutions and optimized data pipelines, significantly enhancing customer engagement and decision-making efficiency.

  • Developed AI-driven RAG systems using LLMs (OpenAI, Claude, Mistral, Llama) for automated conversation analysis, achieving an 80% reduction in vendor costs and a 50% boost in sales productivity.
  • Led a team of analysts and data engineers to deliver data-driven insights, significantly improving decision-making efficiency and operational effectiveness.
  • Built and optimized data pipelines (Apache Airflow, dbt) and cloud-based AI tools, accelerating data analysis by over 50% and improving report quality by 25%.

Product Analytics Team Lead

Ozon

Oct 2021 - May 2023

Expanded and led a high-performing product analytics team, driving data-driven decision-making and enhancing key user metrics for multiple internal products.

  • Expanded and led a 10-member product analytics team, tripling its size, and organized processes to analyze 8 internal products, fostering a high-performing, data-driven environment.
  • Conducted 20+ comprehensive A/B tests, encompassing hypothesis creation, experimental design, and in-depth analysis, which led to 4 key initiatives improving user retention and engagement.
  • Crafted and implemented customized strategies for five distinct products, achieving substantial improvements: a 30% increase in NPS, a 20% boost in conversion rates, and a 20% rise in user engagement.

Head of Analytical Department

TD MEDIA

May 2018 - Sep 2021

Built and managed the analytics framework for a portfolio of over 25 services, delivering critical insights and driving customer journey improvements.

  • Built and managed the analytics framework for 25+ services, defining KPIs (revenue, churn rates, active user engagement) to deliver critical business insights.
  • Designed and executed A/B tests to enhance customer journeys, achieving a 30% reduction in churn rates and fostering stronger customer loyalty.
  • Led intercompany innovation by implementing advanced analytical frameworks across interdisciplinary teams, reducing the time required to obtain analytical results and measure new feature metrics by 25%.

Head of Data Science

Social Discovery Ventures

Jun 2017 - Apr 2018

Developed and deployed AI/ML models for personalization, recommendation, and fraud detection, significantly improving user engagement and platform security.

  • Developed AI-powered personalization and recommendation models, increasing user engagement by 20% and enhancing user experience.
  • Created and deployed robust ML-based fraud detection systems, proactively preventing fraudulent activities and significantly improving platform security.
  • Provided strategic direction and technical leadership for data science initiatives, overseeing the successful deployment and maintenance of critical AI/ML solutions.

Business Analyst / Data Scientist

Zed+

Jun 2015 - Apr 2018

Implemented Big Data solutions and deployed automated ML-based ranking models to enhance conversion rates.

  • Implemented Big Data solutions (Apache Spark, Python, H2O) for ML-powered scoring and ranking systems, optimizing data processing efficiency.
  • Deployed automated ML-based ranking models, significantly increasing conversion rates by 30% through data-driven optimization.
  • Conducted in-depth business analysis to identify key opportunities for data science application, translating complex data into actionable insights for stakeholders.

Lead Expert

Prognoz

Mar 2013 - Apr 2015

Designed and built AI-driven optimization systems for cost reduction and logistics efficiency, delivering significant client satisfaction.

  • Designed AI-driven cost optimization systems for Eurasian Resources Group, achieving over $1M in annual savings.
  • Built AI-powered logistics optimization models, improving efficiency by 50% and reducing costs by 18%.
  • Provided strategic, client-focused solutions through expert consultations, driving high client satisfaction and loyalty.

Education

Mathematics & Computer Science

Higher School of Economics

Sep 2011 - Jun 2013

Mathematics & Computer Science

Ural State University

Sep 2007 - Jun 2011

Languages

English

Skills

AI & Machine Learning

  • Anthropic
  • RAG Pipelines
  • AutoGen
  • CrewAI
  • DeepSeek
  • LangChain
  • Gemini
  • LangGraph
  • Llama
  • LlamaIndex
  • OpenAI
  • Mistral
  • Multi-Agent Systems
  • Qwen
  • Personalization Models
  • Recommendation Systems
  • Fraud Detection
  • Cost Optimization
  • Logistics Optimization
  • Ranking Models

Analytics & Data Engineering

  • Airflow
  • A/B Testing
  • Apache Spark
  • Databricks
  • dbt
  • Python
  • Docker
  • FastAPI
  • Gradio
  • MLflow
  • Power BI
  • Snowflake
  • SQL
  • Statistical Analysis
  • Streamlit
  • Tableau
  • Data Warehousing
  • ETL Infrastructure
  • KPI Definition
  • Business Intelligence