Without our wonderful technical reviewers, our books would not be the fantastic titles you see today. So, a big thank you to all the people – below – who have so generously contributed their time and expertise.

OneStream Planning: The Why, How and When

Mel Lenhardt is a Group Product Manager focusing on Planning. Mel has consulted on Planning CPM systems for over 20 years, and worked in corporate FP&A before that.  When consulting, he was responsible for the delivery of solutions for numerous multi-national “Fortune 500” companies. Mel is an avid runner who resides in Grosse Pointe, Michigan.

Jon Golembiewski is a Distinguished Architect on the OneStream Services team. Jon joined OneStream in 2013 as one of the first members of the Services Team. Jon’s experience stretches across both Consolidation and Planning projects. He has worked on projects in over 20 countries, including OneStream’s first customers in South Africa, Australia, Finland, and Norway. Jon has also helped build and deliver training for both customers and consultants. He has lived in Amsterdam and currently resides in Pittsburgh, Pennsylvania.

OneStream Finance Rules and Calculations Handbook

Eric Osmanski is a CPA who joined the OneStream Software Services organization in 2014 to deliver revolutionary corporate performance management (CPM) solutions. He is currently a Distinguished Architect focusing on the design, development, and maintenance of OneStream applications for OneStream’s largest and most complex customers.

Tommy Sandi joined OneStream within the Pre-sales organization and focused on the creation of proof of concepts for the largest prospects and customers requiring unique solutions in the enterprise performance measurement area. He then moved to an engineering role where he became a Distinguished Architect working with the platform, MarketPlace development, and customers to constantly improve the OneStream platform.

OneStream Financial Close Handbook

Jason Ruge has been a leader in the software industry for over 25 years, focusing on delivering product excellence in his roles within Software Quality Assurance. His acute attention to technical details and passion for quality has led him to be involved as Technical Editor on multiple publications across several industries, most recently being OneStream Financial Close. He is one of the original members of the OneStream MarketPlace Engineering team, leading and guiding the organization through scale and delivery for all OneStream Solutions. He leans heavily on his faith to lead with deep compassion, honesty, and integrity to be a role model and mentor to his peers and extended teams.

Shawn Stalker joined OneStream in 2013 and serves as the Vice President of MarketPlace Development. Shawn has worked in the Corporate Performance Management (CPM) area for over 20 years, maintaining, implementing, and supporting consolidation and financial systems. He has worked on products including Oracle Hyperion Enterprise, Oracle Hyperion Essbase, Oracle Hyperion Financial Management and OutlookSoft before joining UpStream Software in 2006, where he helped to build their development and QA teams. He worked at UpStream through acquisitions by Hyperion and then Oracle prior to joining OneStream, where he helped start the QA and MarketPlace teams.