Who We Are

We bring decades of success in national-scale, non-profit and for-profit organization management, strategy, branding, marketing, and communications—all under one roof.

Our Leadership

Grayscale’s counselors and strategists offer experience at some of the most impactful, innovative, and influential nonprofit organizations in healthcare.

John J. Seng

Principal, Grayscale

John has served as a leader in some of the world’s most influential consultancies including Ketchum, Hill & Knowlton, and Shandwick. In 1996, he founded Spectrum Science Communications, growing the firm to the leading independent national health and life sciences communications firm.

He offers extensive experience consulting with dozens of the country’s leading biopharmaceuticals firms and discovery-stage innovators, as well as healthcare nonprofits.

John has served on numerous boards including the Progeria Research Foundation Board of Directors and chaired the Society for Women’s Health Research. He led the American Diabetes Association Washington, DC Leadership Council, and served on the National Mental Health Association Board of Directors.

Amy DeMaria

Grayscale Senior Advisor

Amy brings over 25 years of experience in nonprofit management, brand strategy, marketing, and communications at the highest levels of national and global nonprofit organizations.

As EVP of the Aspen Institute, she led the organization’s first-ever brand strategy initiative that yielded new insights about the organization’s value and offerings, and created a new narrative and strategy around collective impact.

As SVP and Chief Communications Officer at the Cystic Fibrosis Foundation—a $150 million/year non-profit drug discovery and development organization—Amy led efforts to remake the organization’s brand identity, leading to a significant increase in operating revenue, increased levels of patient engagement, and the development of life-changing therapies for this rare disease. She played a leadership role in three strategic development efforts that guided the Foundation through pivotal changes.

Earlier in her career, Amy headed communications at Georgetown University Medical Center, and served as aide to Health and Human Services Secretary Donna Shalala.

Amy has a BA from Emory University and has studied marketing, branding, and organizational strategy at Georgetown University School of Business.

Larry Hausner

Grayscale Senior Advisor

Larry is a seasoned nonprofit leader and strategist who has led some of the largest nonprofit health organizations in the country, and currently uses his experience to counsel nonprofit health brands of all sizes. He is nationally recognized for his expertise in strategy, revenue generation, operational planning and financial management.

Larry’s experience includes serving as Chief Executive Officer of the American Diabetes Association; Chief Operating Officer for The Leukemia & Lymphoma Society; and Chief of Staff at National Multiple Sclerosis Society. Under Larry’s leadership, revenue for The Leukemia & Lymphoma Society grew from $165 million to more than $270 million.

He spearheaded successful strategic planning efforts at these organizations, as well as others including the American Foundation for Suicide Prevention; the Association for Vascular Access; and the HealthWell Foundation.

Larry is currently Vice Chair of the Children’s Cancer Cause. He studied performance management systems and governance as leadership at Harvard University, strategic planning at the MIT, and nonprofit strategic planning at the Wharton School of the University of Pennsylvania.

Stephanie Paredes Hartwig

Grayscale Senior Advisor

Stephanie is a seasoned marketing, communications and public relations
strategist who advises clients from Fortune 500 businesses to start-up organizations across a broad range of industries including healthcare, medical devices, pharmaceuticals, social services, and education.

Her work with non-profit organizations has involved advising boards on strategic, long-range planning as well as identifying, writing
and subsequently executing on federally
funded national demonstration projects.

For the American Society for Quality (ASQ), Stephanie provided long-term growth strategy planning, message development and internal communications counsel to inform internal stakeholders on organizational change.

She serves as strategic communications counselor to Grayscale client Secure Exchange Solutions, a cloud-based technology company that sets the standard for seamless, scalable, secure connectivity across health care organizational boundaries. Stephanie is a graduate of UCLA.