Meet the Crew
The Jetstream Venture Fund is Piloted by the Expertise of Xcellerant Ventures
Benefit from a crew of seasoned venture capitalists and innovators who chart the course for groundbreaking investments. Xcellerant Ventures brings decades of experience in investing, entrepreneurship, and venture capital, serving as the expert management team for the fund. With precision and foresight, we aim to help investors reach new altitudes by looking to invest in startups working to revolutionize their industries.
Portfolio Managers You Can Trust
John Shufeldt
MD, JD, MBA, FACEP
John is a physician, attorney serial entrepreneur, and pilot (for real!) who has founded and scaled more than 15 companies across healthcare, tech, and education. His ventures include MeMD, acquired by Walmart, and NextCare, one of the nation’s largest urgent care providers. With over three decades of experience, John is known for turning bold ideas into nationally recognized companies.
Michael Shufeldt
MBA
Michael is a founder, operator, and A-10C fighter pilot with experience leading early-stage companies and managing high-growth healthcare ventures. He’s held leadership roles across startups and investment platforms and brings a unique blend of military precision and entrepreneurial grit to every endeavor.
Douglas Sylvester
JD, LLM
Doug is the former Dean of ASU’s law school, where he led more than a decade of institutional growth, innovation, and national recognition. Under his leadership, the school expanded its programs, raised over $90 million, and built a reputation for legal innovation. He has advised startups, public institutions, and investment groups on governance and strategy.
Chris Yoo
PhD
Chris is a life sciences entrepreneur and scientist with over 25 years of experience in biotech, AI, and data science. He founded Systems Oncology and Systems Imagination, advancing novel cancer therapeutics and AI-driven discovery platforms. His work spans drug development, computational biology, and translational research.
Management Team
James Mago
MBA
James has held leadership roles across healthtech, SaaS, economic development, and investing. He’s a former founder with experience building companies and teams across multiple sectors, bringing strong communication, execution, and systems-thinking to fast-moving environments.
TJ Kline
MBA
TJ has nearly a decade of experience in healthcare finance and operations. He helped lead Tribal Health through a period of rapid growth and has supported multiple startups in scaling their financial infrastructure. His background combines startup execution with strong financial oversight.
Tiffany Youtchoko
MBA, MEd, PMP
Tiffany is a versatile leader with a background in mathematics, economics, education, and cross-functional operations. She’s led marketing, operations, and project teams across healthcare and tech, with a focus on building scalable systems, delivering results, and driving clarity through complexity.
Yvette Ferreira
PMP
Yvette has over 20 years of experience across finance, pharmaceutical sales, and early-stage healthcare ventures. She has played a key role in launching and scaling startups, leading due diligence efforts, and bringing a strong understanding of operations and investor readiness.
About Xcellerant Ventures
Xcellerant Ventures is a venture capital firm dedicated to driving meaningful change. While rooted in healthcare transformation—investing in technologies that enhance care and reduce costs—we are expanding our focus with the Jetstream Venture Fund to embrace opportunities across diverse industries.
We follow a people-first philosophy, grounded in the belief that empowering visionary entrepreneurs drives transformative change across industries. Through strategic partnerships with leading organizations, foundations, and institutions, we amplify our impact and maximize opportunities for innovation. Beyond capital, we provide tailored mentorship and guidance, equipping our portfolio companies with the tools to thrive and redefine the future.
Company
Investors should consider the Fund’s investment objectives, risks, charges and expenses carefully before investing. The Fund’s prospectus contains this and additional information about the Fund, and can be obtained by emailing jetstream@sweaterfunds.com or by following this link. The Fund's prospectus should be read carefully before investing. All investments involve risks, including possible loss of principal. Past performance of venture capital investments is no indication of future success.