IDSA Foundation Staff
Ty Johnson, MBA
COO, IDSA and IDSA Foundation
Ty brings more than 25 years of business development, operations, finance, and relationship building skills to the team. She will lead the strategic direction of the IDSA Foundation.
Ty has worked in leadership positions for global pharmaceutical corporations and in senior level roles with national health systems as a hospital administrator.
“I am committed to the moving the IDSA Foundation forward and am proud to support its mission of growing, enhancing and diversifying the ID workforce.”
As operations manager, Maria Frederick is primarily responsible for managing and overseeing all executive office functions and serving as a board liaison.
Born in Santiago, Cuba, and originally from Miami, Florida, she moved to D.C. six years ago and enjoys the four seasons not seen in Florida.
She joined the IDSA Foundation team in September 2020, coming from serving as an executive assistant to the chief public policy officer of a large accounting firm.
“During the height of the pandemic, I jumped at the chance to work for the organization that has been at the forefront of guidelines, treatment, vaccines and more.”
Director of Philanthropy
Allison brings 15 years of fundraising experience to her role at the IDSA Foundation. She has held a variety of frontline fundraising and development leadership roles in academic medicine, community hospitals and national healthcare non-profits, primarily in Rhode Island and North Carolina.
Most recently, Allison led the philanthropy program for the National Cancer Institute-recognized Comprehensive Cancer Center at Wake Forest Baptist Health in Winston-Salem, North Carolina. At Wake Forest Baptist, she raised millions of dollars to impact education, research, and patient aid.
“I have a strong interest in how philanthropy can be a driver in translational research and high-risk/high-reward projects. I am also a champion of health equity. I am thrilled to have found these interests at the core of the IDSA mission and am excited to match my passions with such a great organization.”
Diane LaVigna, CFRE
Director of Industry Relations
Diane brings 25 years of fundraising and nonprofit management expertise to her role at the IDSA Foundation, and she has maintained her Certified Fund Raising Executive (CFRE) credential since 2005. Her nonprofit career has spanned six organizations in New York, Virginia, and Washington, DC—three of which were association foundations—generating a total of $100 million.
Her experience includes raising money for workforce development, DEI, and research. She has also served on the Board of the Association Foundation Group. Prior to joining IDSAF, Diane was the Chief Development Officer for the National Law Enforcement Officers Memorial Fund.
“In my new role, I look forward to working with our industry partners to align their corporate marketing and philanthropic goals with the essential work of the IDSA Foundation.”
Erin Mathews, JD, LLM
Planned Giving Officer
Erin brings 8 years of fundraising experience to her role as Planned Giving Officer. She has managed volunteer groups, led strategic initiatives and managed planned giving programs for various organizations in Baltimore.
Through her fundraising career she has earned a Master of Laws in Taxation and a Certificate in Estate Planning. With her guidance the IDSAF plans to grow a robust Planned Giving Program founded on relationships and a deep connection to the IDSA community.
“I am always thinking about the future. Legacy planning helps to ensure that organizations that share your priorities last. It couldn’t be a better time support the IDSA’s mission.”
Amari Pearson-Fields, PhD, MPH
Director of Programs
Amari brings 30 years of public health experience to her role at the IDSA Foundation. Over the course of her career, she has served in numerous senior leadership positions in government and non-profit settings, particularly focusing on racial justice and health equity.
Most recently she has been engaged in working with community members to create a roadmap of program services that meet the needs of underserved women in the District of Columbia.
“I am excited about the opportunity to bring together my experience in program development with a strong focus on metrics and outcomes to enhance the impact of the IDSA Foundation.”
Alyssa Loeffler, MBA, GPC
Alyssa brings more than 20 years of nonprofit and government grant writing experience to her role as Grant Writer. She has held leadership positions with national nonprofits, government entities, healthcare organizations and most recently led the grant efforts for a major federal tribe.
During her career as a grant professional, she has created and managed grant departments and has raised more than $22 million in federal, state and foundation grants. She has maintained her Grant Professional Certification (GPC) credential since 2009.
“I look forward to sharing my grant professional experience with the IDSA Foundation to work toward achieving a more diverse workforce and to provide greater health equity.”