
Microsoft’s Power BI is one of the most popular software solutions used to perform social network analysis. Here’s how to create custom Power BI visuals in R for compelling and flexible results.
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As Toptal’s CEO of Technology Services, Robert leads strategy and operations across our technical services portfolio, spanning AI, automation, and operations. He previously served as Deloitte’s Managing Director & Chief Commercial Officer, transforming its Cloud Operate and Engineering business into a multibillion-dollar operation. He held senior roles at IBM, Velocity, co-founded Corio, and was CIO for two Fortune 500 companies.As Toptal’s CEO of Technology Services, Robert leads strategy and operations across our technical services portfolio, spanning AI, automation, and operations. He previously served as Deloitte’s Managing Director & Chief Commercial Officer, transforming its Cloud Operate and Engineering business into a multibillion-dollar operation. He held senior roles at IBM, Velocity, co-founded Corio, and was CIO for two Fortune 500 companies.
Previously At









CEO, Technology Services
As Toptal’s CEO of Technology Services, Robert leads strategy and operations across our technical services portfolio, spanning AI, automation, and operations. He previously served as Deloitte’s Managing Director & Chief Commercial Officer, transforming its Cloud Operate and Engineering business into a multibillion-dollar operation. He held senior roles at IBM, Velocity, co-founded Corio, and was CIO for two Fortune 500 companies.
Previously at
Technology Experience
35+ Years

Delivery Manager
Rachael serves as a Delivery Manager at Toptal with a focus on leading diverse global teams in developing innovative solutions for our clients. She works across multiple disciplines, including technology, marketing, and management consulting. Rachael specializes in managing people and client relationships, process optimization, and driving teams toward optimal business outcomes.
Previously Managed Client
Experience
9+ Years

13+ Years
of Experience
Ernesto is a business intelligence professional with more than 13 years in the field. With his expertise in data warehousing, Amazon Redshift, MS SQL Server, ETL (SSIS), Tableau Desktop, and Tableau Server, he helps companies integrate and organize data from multiple sources to be used for reporting and analysis. Ernesto’s attention to detail, strategic thinking, and expertise make him a highly qualified individual for various projects.
Previously at

23+ Years
of Experience
Yun is a senior developer with more than 23 years of experience in business intelligence (BI) and data warehousing. She specializes in implementing business analytics and reporting solutions, including capturing business requirements for data integration, data modeling, and report development.
Previously at

15+ Years
of Experience
With 15+ years of experience in the banking and automobile industries, Krishna specializes in designing and delivering enterprise-grade solutions using Java, Spring, and Azure data engineering. His expertise lies in architecting scalable, secure, and high-performance data infrastructures that drive innovation and operational efficiency in complex, regulated environments. Krishna excels in leveraging technology to solve challenging problems and enhance business outcomes.
Previously at


18+ Years
of Experience
Edison is an Azure BI developer, data engineer, and data architect with more than 18 years of business intelligence and data engineering experience across industries. Backed by an MCSE Azure Cloud Platform certification, he delivers high-quality business intelligence solutions using Azure Data Factory (ADF), Python, Azure Functions, Azure SQL Database, Azure Synapse, Power BI, Databricks, Analysis Service, and SQL Server. Edison also excels at dimensional modeling, performance turning large data warehouses, and .NET and Angular development.
Previously at

12+ Years
of Experience
Adam has more than 12 years of experience in data engineering and data science. His tools of choice include Python 3, Spark, and SQL. His main focus areas include ETLs and machine learning marketing pipelines. Adam is able to effectively communicate with both highly technical and nontechnical specialists.
Previously at

17+ Years
of Experience
Thomas has 17+ years of experience in risk modeling and causal inference and has managed over €1 million in research funds as a scientist. Since 2019, he has worked as an independent contractor for various global pharmaceutical companies and CROs. His goal is to improve data-driven decision making by adopting state-of-the-art analysis methods and delivering scientific scrutiny in a timely fashion.
Previously at










18+ Years
of Experience
Emilio is a computer science engineer and MBA graduate with 18+ years of experience helping businesses define and analyze their KPIs across marketing, sales, operations, and finance. He is skilled in SQL and has been working with Tableau since 2011, developing all data integration required to feed Tableau from any data source. As a Tableau consultant and trainer, Emilio can quickly interpret business needs and build insightful dashboards.
Previously at

16+ Years
of Experience
Mohammad has 16+ years of experience in building and maintaining large-scale distributed systems, data platforms, and machine learning for a variety of industries. With a master of science degree in computer science from USC, his technical understanding is deeply rooted. Mohammad has excellent communication skills and business understanding. With great interpersonal skills, it is a pleasure to work with him.
Previously at

12+ years
of Experience
Daphne is a highly motivated big data analytic architect and SQL/Tableau developer with strong business analytic solution delivery skills and 12+ years of progressively responsible OLTP/OLAP database development/architecture experience. She is a frequent seminar speaker and workshop trainer in business intelligence and analytic solutions. Daphne is experienced collaborating with business users in data modeling and business analytic solutions.
Previously at

6+ years
of Experience
Guillermo is a senior product data analyst who has worked with CPOs, POs, and tech leads to develop profitable and appealing digital products. Combining his technical and business skills, he unlocks a lever to make data-driven decisions. He was involved in the design and analysis of 40+ OCEs for mobile and web digital products. Having worked in ecosystems of 20+ million WAU, Guillermo knows how to put aside vanity metrics to retrieve meaningful insights and propose actions to boost OEC.
Previously at

20+ Years
of Experience
Hans is a senior full-stack developer with a master’s degree in computer information systems and more than 20 years of experience delivering software solutions. He is proficient in various stacks, languages, and databases, focusing on full-stack development using the JavaScript stack (React/Node.js), TypeScript, Python, and the Google Cloud Platform, including Firebase. Hans was a technical lead at startups and Fortune 500 companies like Deutsche Bank, and is a resourceful contributor to any team.
Previously at

5+ Years
of Experience
Daniel is a data scientist and engineer with a strong background in data life cycle. He excels at crafting efficient data pipelines, designing databases, conducting advanced analyses, and harnessing machine learning.
Previously at

24+ Years
of Experience
Denis is a senior full-stack AI engineer and data scientist, highly skilled in modern generative tech (GPT-4, Midjourney, and more), machine learning, ETL pipelines, data analysis, mathematical modeling, big data, and MLOps. He has a PhD in mathematics, and his data science expertise includes probabilistic risk modeling, revenue forecasting, geospatial data analysis, handwriting recognition, anomaly detection in time series, data engineering, and team leading.
Previously at

24+ Years
of Experience
Stephane possesses an impressive 24+ years of international experience in data analytics and business process optimization. Throughout his career, he has excelled in various areas, including database design, business intelligence (BI), machine learning algorithms, big data, and predictive analytics. Stephane's expertise lies in developing solutions that automate processes, allowing clients to allocate their efforts toward value-added activities.
Previously at

13+ Years
of Experience
Hanee’ is a data expert who enjoys working on data analytics and segmentation to better target customers with campaigns. He is an experienced Java developer who has built enterprise applications that interact with millions of customers daily. Hanee’ also has experience working with big data, Spark, and Python.
Previously at
Looking for guidance about the perfect Power BI solution for your needs?
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Challenge: Precision Drilling wanted to develop cutting-edge data visualization software that could accelerate the analysis of drilling rig performance data and provide increased value to its customers.
Solution: Toptal assembled a team to help Precision Drilling realize its vision. This team developed Clarity, a state-of-the-art data visualization platform that delivers real-time insights.
Outcome: The platform serves as a central hub for real-time and historical rig fleet performance data, significantly boosting efficiency and enabling instant communication of results across the organization.
Shuja Goraya, CTO, Precision Drilling

Newsweek and Statista’s rankings were based on an independent survey of more than 2,400 decision-makers at Fortune 500s.
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Highest ranked across all industries
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Methodology for the Rankings
How likely the respondent is to recommend the selected company to others.
Measures the convenience of interaction with the company and efficiency of processes.
Measures the company’s cost-effectiveness and quality relative to price.
Measures whether the company consistently meets or exceeds expectations in quality and timeliness of deliverables.
Measures the company’s ability to consistently fulfill commitments and maintain customer trust.
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Microsoft’s Power BI is one of the most popular software solutions used to perform social network analysis. Here’s how to create custom Power BI visuals in R for compelling and flexible results.
Read More
Expertise
Previously at
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