Data Science AI

Leveraging a diverse skill set to help businesses transform their operations, enhance productivity, and drive growth through the power of data and AI. I count on my experience in business strategy, project leadership, data science, and enterprise architecture to help companies. I solved business challenges and enabled data-driven decision-making in various industries like IT, software, pharma, CPG, transport and logistics, professional services, fintech, and outsourcing.
★ Help companies unlock their growth potential through data science and AI.
★ Translate complex technical concepts into actionable insights for business leaders.
★ Work with diverse businesses to design and build strategic data-driven decision-making systems.
★ Designed and implemented an automated end-to-end decision-making system, integrating data across multiple sources into an Azure MySQL data warehouse and developing a Shiny web application on AWS EC2 with machine learning features for enhanced C-level decision-making.

Data Science Consultant

Blankfactor

I used a mixture of leadership, project/process management, and technical skills to design robust data science applications. I worked with business clients or internal stakeholders, translating business needs into data-driven decision-making solutions.
★ Worked on employee turnover analysis that revealed an opportunity for $640k per year in productivity gains. Deployed a web app with R & Python (employee grouping, trained classification models with H2O and R tidy models framework).
★ Built internal structure and processes for effective team collaboration. Lead the internal data practice - managing a team of data practitioners, and administering the main tools like Jira/Confluence, AWS, Snowflake, and Google Workspace. 
★ Designed a robust cloud-based architecture leveraging Snowflake, integrating various data sources that enhanced the data science and AI capabilities of the company.

Senior Data Scientist / Data Officer

iCOVER

I leveraged industry best practices to define the transformational strategy of the company on a global level. I collaborated with all teams to ensure the completion of various projects related to IT, HR, Product, and Delivery. I first led a team of Product Managers who developed new products related to background screening. I led a team focused on improving the company's data and project maturity. I also worked on several data engineering and data science activities. Accountable for a local site of 100+ people distributed in different teams.

★ Data Management: deployed global data science capabilities with python data engineering, MySQL, and Tableau Online visualization. Worked on predicting customer churn with Spark, and deployed a testing disaster response classifier web app on Heroku cloud. Used clustering to group clients and explore revenue-generating products. Worked with MS Azure cloud capabilities to streamline the teamwork. 
★ Business Process Management: designed, and deployed a document and process infrastructure based on Google Workspace. Established a quality management system with process governance according to CMMI Model. Increased organizational maturity from level 1 to level 3.
★ Project Portfolio Management - designed, and deployed a hybrid model for project delivery within Jira Software/Confluence that enabled complete track of scope, time, and cost. Deployed Jira Service Desk in IT and operational teams that covered 30% of all company population.
★ Leadership: coordinated the efforts of renting a new building for ~100 employees in Sofia. Organized a project team and checked more than 16 potential locations.

Projects and Data Lead

Cargill

I developed a business process management strategy to achieve organizational goals while leveraging IT service management best practices. I collaborated with cross-functional teams to ensure the completion of various projects related to financial, HR, IT, continuous improvement, and change management. I led a team of eight Project Managers who were responsible for migration, improvement, and deployment projects/programs. Used Lean Six Sigma tools to run statistical experiments on a broad level of data related to finance, logistics, HR, and IT.

★ Designed and implemented a Lean Six Sigma certification program for a local site of 1100 people and managed 12 Yellow Belt and 20 Green Belt candidates to improve various processes related to Finance, Procurement and Logistics. 
★ Drove improvement by identifying and mitigating the potential risk of non-compliance as well as streamlined standard operating procedures by implementing a regional business process management framework.
★ Designed Global Project and Portfolio Management Framework based on Clarizen tool that increased portfolio control and visibility.

Project Portfolio Lead

I updated executive management with respect to business progress. I headed a highly skilled team of international experts and conducted a cost-benefit analysis for multiple programs. I defined project road maps, schedules, and work breakdown structures to achieve desired goals. I delivered a full range of quality, BCP, lean six sigma, and project management consultancy services to promote E2E collaboration between the EMEA teams.

★ Spearheaded, completed, and delivered a number of major projects within time and budgetary constraints.
★ Identified cost reduction opportunities for $500k in the commercial delivery process and resolved the root cause of issues in link with key HP client to renew $600k contract deal.
★ Created BCP partner assessment framework to mitigate risks and increase HP customer support resiliency.

Quality Program Manager

I devised a business strategy for conflicts management, performance enhancement, training, and development. I administered reporting team that was engaged in delivering business analysis and SharePoint services to improve business performance. I contributed to the provision of comprehensive project support in the GSD Supply chain as a material buyer.

★ Minimized inventory cost by 50% through optimization of an efficient reactive sourcing spare parts process.
★ Decreased report generation time by 30% through automation of key performance indicator delivery process.
★ Ensured smooth running of supply chain operations by developing project strategies for resource distribution.

Business Analyst

Familex Ltd

I managed logistics projects, including supply chain optimization, new payment terms, and international relations. I coordinated with complex vendors to improve trade processes. I promoted international business and expanded the company’s portfolio during several international fairs.

★ Developed an effective logistic model for stable supply deliveries to decrease the average time to deliver by 38%.
★ Optimized operational performance by providing detailed training to meet the requirements of the trading department.
★ Negotiated contracts with key suppliers to reduce purchase price by 20% and save around $300k annually.
★ Designed a third-party delivery inspection model and letter of credit bank payment, slashing the non-confirming deliveries from 30% to 0.

Manager, International Trade

Data Scientist | Consultant | Lean Six Sigma MBB

From Lean Six Sigma projects to data science solutions, I've turned complex business problems into strategic opportunities. My key to success? Bridging the gap between business and technology. With expertise in project leadership, data science, and business strategy, I help companies unlock their potential using data-driven decision-making.

My journey has led me through the corridors of Fortune 50 giants like Cargill and HP, where I led various teams, and implemented tech solutions for business success. Then I left the big corporate world and I witnessed first-hand the challenges of the small-medium sized businesses. My work in time series forecasting, customer segmentation, and attrition prediction has informed strategic direction and uncovered untapped opportunities.

Today, as a consultant, I'm passionate about extending this impact beyond corporate boundaries. I leverage my diverse skill set to help businesses transform their operations, enhance productivity, and drive growth through the power of data and AI.

If you're ready to leverage data science and AI for your business, I'm here to catalyze that journey. Let's partner to navigate the data-driven future together.

🤝 Consultation Enquiries: https://data-science-ai.com/applynow/
 🐦 Twitter: https://twitter.com/p_rabadzhiyski

Plamen Rabadzhiyski

Will's Journey

This is a place where I'll be sharing my skills not only in analytics, but knowledge and exposure to the business world.  You may read about my experience using the link below: https://medium.com/@yltwill

Content Writer

Coles Group

As a retail team member, I supported both the grocery department and customer service department over time.

My day to day in Coles:
- Supporting team members (including guiding new team members) and assisting customers with their needs, including offering customers an alternative when the item is out of stock.

- Organising the store, ensuring that shelves are stocked, and the store is tidy, with minimum hazard risks.

- Sharing and showing care to both the customers and team members.

Retail Team Member

Builders Academy Australia

As an ICT Business Analyst, I mainly focus on building stakeholders' understanding to reduce potential miscommunication within day-to-day activities. Three major tasks I spent most of my time on include management systems, reporting and automation.

- Management Systems: Assisted the team in management systems, which included creating process mapping, and explaining the process in detail for stakeholders' comprehension.

- Reporting: Assisted the team in KPI reporting and suggested new methods to process the data to reduce potential human error.

- Automation: Leveraging Python to help build the first automation process for the business, that potentially saved 20 minutes per task.

ICT Junior Business Analyst 

Deakin Launchpad

As a final year data science student, I have accumulated a decent knowledge and experience of data analytics from different projects. As a machine learning scientist, I contribute my skills in:

- Articulated an analytics strategy for a semi-structured dataset related to CO2 emission. Cleaned, analysed, and interpreted data and insights using exploratory data analysis, query, and data mining techniques and visualised with appropriate charts.

- Delivered and communicated data insights through clear and concise report explaining the methodologies used and the findings obtained.

- Conducted experiments, and explorations on the Yolov5 model, utilising data augmentation
techniques to enhance the model’s precision rate.

Machine Learning Scientist

AtOnce.Biz

As a second-year data science student, I bring my understanding of data into practice. During this internship, I have the opportunity to learn about Mendix. The following is how I use my understanding of data and logical thinking to contribute to the business. 

- Assisted the business in redesigning business application, fixing errors, and suggested ideas to improve data storage and simplify data process to achieve better efficiency.

- Collaborated with cross-functional teams to communicate and present feasible solutions and demonstrate the impact of the action on the overall project.

Data Scientist

Tableau

As a second-year user of Tableau, I decided to challenge myself in storytelling by participating in Tableau IronViz 2022- Theme of Art. 

During this period:
- I sourced my own Art- Movie Box Office Records.
- Cleaned, analysed and explored new visualisation approaches in Tableau.
- Accumulate experience in using Tableau Prep

Iron Viz

LBN Advisers

As a hedge fund analyst, I bring my experience from my studies and CFA Research Challenge into a real-world setting. My day-to-day as a hedge fund analyst are as below:

- Researched and analysed businesses in the Hang Seng Index (HSI) utilising the SWOT, PESTLE, fundamental and identified businesses that are far below the intrinsic value.

- Conducted business valuation based on appropriate growth rate and macroeconomic
environment, computed and compared business efficiency using metrics, and presented insights with charts that facilitated investment decisions.

- Suggested long-short ideas monthly, within the timeframe of a minute.

Hedge Fund Analyst

CFA Institute

As a representative from RMIT University team, I contribute my skills in:

- Researched, analysed, and estimated the intrinsic values of Carsales (CAR.ASX) based on the business's unique advantages, market share, business strategy and economic outlook, including using the SWOT and PESTLE framework.

- Attended on-site client meeting to understand the business's future strategy and asked questions to understand the business's focus. 

- Representing RMIT University, out of 12 teams in the local region, secured the first runner-up position for Victoria regional competition.

CFA Research Challenge

Data Scientist | Data Analyst | Supply Chain Analyst | Credit Risk Analyst

Making decision with decision graph

William is a data scientist who turns complex data into insights to facilitate decision-making and communication. He specialises in diagnostic and predictive analytics with experience in causal inference and root-cause analysis like the 5 Whys. William prioritises asking the right questions to understand the problem and applies logical thinking in decision-making. For communication, he uses the Minto Pyramid framework along with ATV (Audience, Time, and Values) to communicate insights and address the pain points.

Technical skills William brings are included: 
Hard skills: Python, SQL, R, Excel, Tableau & Power Query
Statistics: Data Wrangling, Feature Engineering, Data Mining & Analytics, Predictive Analytics and Hypothesis Testing.

Beyond his professional expertise, William’s interests include Behavioural Finance, Investing and Gardening.

taplio

The Battle

Plamen Rabadzhiyski

Yoon Lok (William) Tan

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