Client Services Team

Ray Jan is Constellation Research's Chief Operating Officer. He oversees the company's ongoing operations and procedures, ensuring day-to-day operational excellence. Ray brings more than 20 years of supply chain management consulting experience. Prior to joining Constellation, he worked at Deloitte and IBM, where he helped clients improve their operations.

Barb Costello has over twenty years of experience in technology sales. She is a proven sales executive, relationship builder, trusted advisor, and strategic global account manager. Barb most recently spent 12 years at IDC Research Inc., helping clients solve difficult business problems through analyst engagement and research.

Sachin is responsible for managing Constellation’s relationships in India. Sachin brings over 12 years of experience in marketing and strategy in India. Previously, Sachin was an independent marketing consultant advising technology start-ups. Prior to that, Sachin spent six years with Forrester Research, spearheading its marketing function in India.

Sherrie is responsible for acting as a liaison between clients and analysts while growing Constellation's footprint across North America. Prior to her career at Constellation, Sherrie worked with major technology suppliers of auto-identification technologies as an account director at VDC Research.

David Stanley is responsible for driving Constellation Research’s growth and profitability. David demonstrates sustained success at all levels of sales, marketing, and business development. David is responsible for expanding Constellation’s market share through direct sales engagements globally and for overall business development.

Terence Vaughan is responsible for driving the global growth and expansion of Constellation’s sales and business development efforts. Terence brings over 20 years of experience developing and managing strategic business relationships, sales, and account management for international organizations.

Elle is the Director of Marketing at Constellation Research and producer of the weekly enterprise tech show, DisrupTV. She leads marketing and communications efforts across all avenues while also managing an array of programs, including the SuperNova Awards, Business Transformation 150, AX100, AI150, S50, and ShortLists. She has previous experience in public relations and has a strong passion for the marketing world.

Hannah Mason is the Marketing Director at Constellation Research, where she leads brand positioning, creative direction, and content strategy across digital platforms and events. She oversees design, collateral, website content, newsletters, and Constellation Insights, and also manages research surveys and analyst video production.

Meghan is Constellation’s Director of Events. She oversees Constellation’s events department and manages its annual Connected Enterprise innovation summit for executives. Meghan brings more than 25 years of experience in international and domestic conference management.