Adrian Dembek

Adrian is a CRM Analyst working closely with Vertabelo.

Adrian Więch

Adrian is an active software developer focused on Java and SQL-related technologies. He holds a Master’s Degree in both Computer Science and Applied Linguistics. While most people focus on specialization, he goes against the flow and believes that diversity is key to personal development. You’ll find him weightlifting, playing the piano, studying psychology and travelling around the world.

Agnieszka Kozubek-Krycuń

Agnieszka is a Chief Content Officer at Vertabelo. Before coming to Vertabelo, she worked as a Java programmer. She has a PhD in mathematics and over 10 years of experience in teaching mathematics and computer science at the University of Warsaw. In her free time, she enjoys reading a good book, going mountain hiking and practicing yoga.

Aldo Zelen

Aldo is a data architect with a passion for the cloud. From leading a team of data professionals to coding a data warehouse in the cloud, Aldo has experience with the whole lifecycle of data-intensive projects. Aldo spends his free time forecasting geopolitical events in forecasting tournaments.

Alex Briggs

Public Relations Specialist

András Novoszáth

Andras’ original background is in business economics and the social sciences. However, on the way, he fell in love with technology and did even a Ph.D. in science and technology studies, where he studied the launch of an experimental currency. Now, he works as a data scientist and occasionally writes about his experience in places like Vertabelo. In his free time, he takes long walks while listening to podcasts or looks after his mind and body.

Anuj Kumar Verma

Software Engineer

Arleta Więch

Arleta is a business professional rooted in the tech industry. Born and raised in Warsaw, she has collaborated with top IT companies such as Samsung R&D Institute, Daftcode or Ethworks. Her main professional interests are marketing, business development, and leadership. After work, she puts on her dancing shoes and goes to salsa clubs and on days off enjoys traveling.

Belma Mesihovic

Belma is a software engineer with over a decade of hands-on experience in both database and application development. She has a strong background in statistical and financial software development and is especially passionate about data processing. In her free time, she is an insatiable traveler and a true nature lover, always planning her next adventure.

Brian Thomas

Contributor to Enlightened Digital, long-distance cyclist, and lifelong advocate for women in business from Philadelphia. Tech and business are my lifeblood, but I’m also a fanatic of brewpubs and just about every sports team in Philadelphia.

Dejan Sarka

SQL Server Database and BI Trainer, Consultant and Developer

Dorota Wdzięczna

Dorota is an IT engineer and works as a Data Science Writer for Vertabelo. She has experience as a Java programmer, webmaster, teacher, lecturer, IT specialist, and coordinator of IT systems. In her free time, she loves working in the garden, taking photos of nature, especially macro photos of insects, and visiting beautiful locations in Poland.

Emil Drkušić

INSERT INTO author (first_name, last_name) VALUES (‘Emil’, ‘Drkušić’); INSERT INTO experience (details) VALUES (‘15+ years experience with databases’), (‘database design’), (‘data analytics’), (‘hands on experience on many projects (in IT, finance, telco)’), (‘lecturing’), (‘writing articles’), (‘technologies: SQL, MySQL, SQL Server, MS Access, MS Excel, VBA, C/C++/C#, Python’) ; INSERT INTO personal_info (details) VALUES (‘from: Zagreb, Croatia, Europe’) (‘hobbies: friends & family, hiking, chess, philately, history’);

Francisco Claria

Engineer @ Axones

Gustavo du Mortier

Gustavo du Mortier is a functional and data analyst at MasterSoft, an Argentinean software company specializing in ERP and healthcare solutions. He’s written many books and articles on different aspects of programming and databases. In his spare time, he plays guitar and helps his two sons build and enhance their gaming computers.

Ignacio L. Bisso

Ignacio is a database consultant from Buenos Aires, Argentina. He’s worked for 15 years as a database consultant for IT companies like Informix and IBM. These days, he teaches databases at Sarmiento University and works as a PostgreSQL independent SQL consultant. A proud father of four kids with 54 years in his backpack, Ignacio plays soccer every Saturday afternoon, enjoying every match as if it’s his last one.

Jakub Romanowski

Jakub was a journalist for various news television stations for many years. Then, he fell in love with programming, and it changed his life. At Vertabelo, he attracts and retains clients through content marketing. In his free time, he enjoys playing football with his son, reading science fiction, training in martial arts, and cooking for his family and friends.

Jayadevan Maymala

Jayadevan Maymala loves words and data. He has worked with relational databases since 1999 and is the author of PostgreSQL for Data Architects. Currently a freelance database consultant, he lives in the beautiful state of Kerala, India with his wife and two kids. In his free time, he reads, solves Sudoku, and tries to play the flute

Jeffrey Edison

CTO at NoSide

Jenny Hung

Data Scientist @ ISM Canada

Kamil Bladoszewski

Kamil works as a Java developer and is a machine learning hobbyist. He loves clean code and turning interesting data into effective charts. His goal of giving people access to knowledge is fulfilled by being a member of the ML in PL Association, an organization that supports the machine learning community in Poland. In his free time, he likes playing computer games.

Kamila Ostrowska

Kamila has been working in e-learning for three years, with an emphasis on adapting digital training methodologies to suit diverse learning styles. Kamila loves sailing, writing, reading, and taking long walks in the forest. Occasionally, Kamila grows nostalgic of the mountains she gave up in favor of sailing.

Karolina Niewiarowska

Karolina is a digital and database enthusiast, a social media pro, and possibly the biggest fan of classic rock. She is a graduate of the Jagiellonian University in Krakow. In her free time, she photographs clouds, wanders forest trails, and reads too many detective stories.

Kate Stolarek

Hi, I’m Kate! I’m a growth marketer striving for excellence. I work in the cold emailing sector where I focus on finding innovative ideas to drive user acquisition. I also host webinars and write (mainly) about SQL. Let’s connect on LinkedIn or Twitter and grow something together! :)

Kateryna Koidan

Kateryna is a data science writer from Kyiv, Ukraine. She worked for BNP Paribas, the leading European banking group, as an internal auditor for more than 6 years. More recently, she decided to pursue only the favorite part of her job—data analysis. Now she is continuing her self-education with deep-learning courses, enjoys coding for data analysis and visualization projects, and writes on the topics of data science and artificial intelligence. Kateryna is also a proud mother of two lovely toddlers, who make her life full of fun.

Katherine Lutz

Katherine (Tori) Lutz is an English graduate from Florida State University and a current journalism student at Columbia University. Her professional experience surrounds reporting as well as a great deal of freelance work in the areas of writing, editing, and marketing. She is currently living in Brooklyn, New York, and would love to one day work in broadcast radio or in a newsroom at a major news organization.

Magdalena Wojtas

With two diplomas in the humanities and experience in the e-publishing industry, Magdalena started her IT adventure in 2014. Now, she works as a front-end developer and helps others learn web technologies. She’s a learning enthusiast keenly interested in things as different as foreign languages and satellite data. She can’t imagine her life without coffee and travelling, especially far north.

Marcin Koryszewski

Marcin is a Social Media Manager with B2C and B2B experience. He seeks new trends, tools, and inspiration every day to keep up with online communication standards. Marcin likes working with various forms of visual content—short videos, infographics, photos, and live streams…. You name it! In his free time, Marcin likes to build Gunpla models and learn about space, philosophy, and cooking.

Maria Alcaraz

Former Freelance Database Developer, Mother of 4 children

Marian Dziubiak

Junior Technical Writer @ Vertabelo

Marija Ilic

Marija works as a data scientist in the banking industry. She specializes in big data platforms (Cloudera and Hadoop) with software and technologies such as Hive/Impala, Python and PySpark, Kafka, and R. Marija has an extensive background in DWH/ETL development in the banking industry. Her main interests are predictive modeling, real-time decision-making, and social network analysis. Outside of work, Marija enjoys listening to her favorite LPs on her old gramophone—and never grows tired of its soothing crackle.

Michał Kołodziejski

Senior Software Engineer, Team Leader

Patrik Drhlik

Patrik is a freelance data scientist from Liberec, Czech Republic. He’s doing his PhD at the Technical University of Liberec, where he also teaches software engineering courses. He is highly passionate about the R programming language and data in general. He never leaves home without his Rubik’s cube and loves hitchhiking, athletics, mountains, kangaroos, and beer.

Patrycja Dybka

Junior Java Developer @ e-point

Pierre Timms

Pierre is a Customer Success Specialist at Vertabelo. Originally from the UK, Pierre previously worked in several Supply Chain and Project Management positions at various companies in London. Data Analysis has always been a part of his work, and he believes it is a skill everybody can benefit from. In his free time, he enjoys making jewelry, traveling, and visiting family and friends back in London.

Ramkumar Balasubramanian

Fellow @ Wipro Ltd.

Rasmus Ebsen

Rasmus Ebsen @ Qemploy

Rebecca McKeown

Rebecca is a former journalist and government analyst who is now working as a full-time freelance writer and editor. With three master’s degrees in International Affairs from three different countries under her belt, she’s now happily settled in a blueberry-colored ‘tiny house’ in rural New Zealand with her Hungarian software developer fiancé and their little lamb, Jenny. Rebecca is passionate about making technical information accessible and interesting, and she gets excited about punchy writing, architectural design, and good chocolate.

Roman Pijacek

Roman is a Microsoft-certified Business Intelligence Consultant obsessed with the Microsoft Data Platform. He has gained extensive practical experience in this area by designing and implementing business intelligence solutions for the largest European financial institutions. Roman absolutely loves attending SQL Server conferences around the world. Doing so allows him to continuously improve his skills and stay on top of the latest technology trends. Family, friends, challenges, SQL Server, coffee, boxing, and football are what Roman lives for!

Shanika Wickramasinghe

Shanika is a software engineer at WSO2, one of the leading open-source software companies in the world. Always keen to share her knowledge, she also works as a part-time freelance writer. Her favorite subjects are SQL and data science. In her free time, she enjoys increasing her knowledge and sharpening her skills by taking online courses.

Soner Yıldırım

Soner is an electrical engineer by education and a data scientist by passion. He currently works as a data scientist focusing on retail analytics. He also writes content on topics related to data science such as machine-learning and deep-learning algorithms, data visualization, data analysis, and Python and R packages for data science. In his free time, he enjoys watching and playing soccer.

Tihomir Babic

Tihomir is a financial and data analyst turned database designer from Zagreb, Croatia. He has extensive experience in the financial services industry, which helps him combine his finance background with his interest in data. When not tinkering with data, he likes to play the guitar in a band and pretend to be a musician. He also regularly writes columns for the Croatian LGBT news site and hopes to soon write his first novel.