The Radianse leadership team has an unwavering commitment to first and foremost make a contribution to improve healthcare.

Each person understands the importance of listening to and meeting customer's needs with solutions that adhere to the highest standards for accuracy, reliability and investment protection.

Steve Schiefen
Chief Executive Officer

Steve Schiefen joined Radianse in 2003 to build the customer service organization, advancing both customer satisfaction and the processes and procedures essential to effective service and support delivery. As chief operating officer, he has strengthened relationships with the Radianse installed base, played an increasingly greater role in closing new business and is respected as a hands-on leader who masters every detail to assure customer success. His experience covers a breadth of technologies including radio communications, IT infrastructure, Internet services and networking. He has held high-impact positions across R&D, IT consulting, project management and systems integration. Prior to joining Radianse, he was director of operations at The System Distributors, (TSD, Inc.) where he developed the company's first 24x7 support operation. At Exodus Communications, he was the go-to-person for all customer interactions regarding implementation, and his leadership resulted in the company exceeding revenue goals for 10 consecutive quarters. He has an MBA from Bentley College, an MS in engineering management from Western New England College and a BSEE from Clarkson University.

Paul Tessier, Co-founder
Director and Chief Technology Officer

Radianse co-founder Paul Tessier has been at the forefront of the company’s significant accomplishments – from the technological commitment to making RTLS safe and effective for patient tracking to the ability to offer hospitals a way to leverage their wireless networks without compromising location accuracy. He is the company’s lead in strategic partner agreements and technology direction. Prior to co-founding Radianse, his talent for making well-engineered and profitable products kept him moving from one major product launch to another at Hewlett-Packard/Agilent Technologies (now Philips Healthcare). For 30 years, across engineering, marketing and management he has established a strong track record for identifying healthcare market needs, applying available technology, and successfully releasing products. His significant contributions to the release of dozens of medical products represent in excess of $1 billion in revenue. His passion for engineering excellence resulted in above average profitability and below average warranty expenses. He holds three patents for wireless medical devices. He has a BSEE with honors from Worcester Polytechnic Institute.

Diane Marcou
Chief Financial Officer

Diane Marcou joined Radianse in 2006 and has applied her strategic planning and leadership capabilities to identify, implement and improve business systems and support growth. For more than 20 years working across private and public sector organizations, she has consistently built effective teams, strengthened relationships with investors, partners, customers and employees and negotiated critical business agreements. In three years as chief financial officer and vice president of finance and administration for Incentive Systems (dba Centive, Bedford, Mass), a privately held venture-funded software company, she was instrumental in the planning and implementation of strategies to grow the business, increasing profitability and reducing operating expenses. She also held the CFO position at Workgroup Technologies, a publicly traded software company with domestic and international operations. She earned her CPA working as an accountant at PricewaterhouseCoopers, formerly Coopers & Lybrand. She has a BS in Business Administration from Boston College.

Michael Dempsey, Co-founder

Mike Dempsey has been working in the field of wireless medical communications for more than 20 years. Prior to co-founding Radianse, he worked as a technical strategist for wireless solutions at Hewlett-Packard/Agilent Technologies (now Philips Medical Systems). He has helped to develop and introduce dozens of successful products, holds six patents in wireless medical device communications and has six more pending for indoor positioning. He served on the American Hospital Association's taskforce on medical telemetry, acted as chairman of the Service Rules Committee and vice-chair of the Frequency Allocation Committee. He received a special citation from the FDA for "exceptional initiative and leadership to protect the public health." He has a BSEE from the University of Michigan.