Ying Guo joins the Lexell Blue Platinum Team

Lexell Blue is happy to announce the addition of Ying Guo to the Platinum consulting team.

Ying Guo Headshot Trimmed

Ying joined Lexell Blue in September of 2017 as a Platinum Team Member and has over 15 years of experience in the government contracting space. Ying started his career as a MS SQL Database Specialist on the Costpoint/T&E implementation team at Eagle Group International.  In September of 2005, Ying joined Deltek as an HCM Consultant and specialized in non-Costpoint T&E implementations and integration including JD Edwards, PeopleSoft and Oracle. He then transitioned to a Deltek Senior Data Conversion consultant with a focus on integrating Costpoint and 3rd party software, automating ETL of financial data and utilizing Deltek Web Service API. He also performed Costpoint and TESS database restructures, merges and custom software design. After leaving the consulting world in 2010, Ying designed and implemented an Integration Platform (I.C.E) for Technology & Business Solutions (TBS) with over 200 custom integrations.  Ying’s experience has also allowed him to create self-service software integration packages for clients with limited Costpoint/T&E knowledge.


Ying has a Bachelor of Science in Computer Science from Georgia Institute of Technology. He currently resides in Atlanta, GA and enjoys spending time with his family. Ying also currently holds a FAA Private Pilot’s License.


Deltek Costpoint Powerhouse Tasha Tillman Joins Lexell Blue

Lexell Blue is proud to announce the addition of Tasha Tillman to our team!


Tasha joined Lexell Blue in April 2017 as a Platinum Member and brings with her over 30 years of diverse experience in government contracting and the commercial industry. Tasha began her career in multiple accounting roles before accepting the role of COO/CFO of a Northern Virginia marketing firm. In 1999, she joined Deltek, Inc. as a Senior Support Analyst. Tasha held several other roles during her tenure including Custom Application Business Analyst and Principal Consultant for Costpoint ERP where she oversaw all phases of Costpoint implementations from concept to launch, including integration with other Deltek solutions as well as 3rd party applications. Prior to joining Lexell Blue, Tasha was the Director of Business Systems & Services for a government contractor where she oversaw all ERP applications. In this position, she led several acquisition integrations, upgrades, new product implementations, and provided process improvement with both BI reporting and system customizations

Tasha has enjoyed the opportunity to work in several positions with large government contractors which has resulted in a unique blend of both cross-functional and technical expertise. Through the course of her career, Tasha’s holistic view of ERP landscapes has resulted in extensive experience in managing system implementations and upgrades, BI report development, end-user training, and system integrations from identifying requirements to implementations. In addition, her varied knowledge of accounting, finance and human capital has allowed her to serve in a Solution Architect role in support of Costpoint, Time & Expense and Cognos. Tasha not only enjoys working with end-users, but also understanding complex issues and providing impactful solutions.

Tasha studied IT Management at Capella University and Accounting at University of Alabama, Birmingham. She currently resides on the Gulf Coast of Alabama.

HCM Consultant Mary Turri joins the Lexell Blue Platinum Team

Lexell Blue is happy to announce the addition of the talented Costpoint HCM Principal Consultant Mary Turri to the Platinum Team.

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Mary joined Lexell Blue in June 2016 as a Platinum Team Member and has over 15 years of experience in Government Contracts.

She was introduced to Deltek products as the customer, working with the Deltek Implementation Team. Together, they successfully designed, configured and implemented Costpoint People and Deltek Time Collection. This experience led Mary to an interest in ERP systems.

Mary later had the opportunity to work for Deltek, as an HCM Consultant and later as a Principal HCM Customer Care Analyst. With her wide range of experience, Mary can see all angles of customer ideas and issues, and provide logical solutions. Mary specializes in Costpoint People, Deltek Time Collection and Employee Self Service.

Prior to joining the Lexell Blue team, Mary worked as an HCM Independent Consultant, managing, training and implementing ERP systems.  Mary graduated from California State University, Chico.  She is based in Novato, California with her husband and two small boys.