White Manna Capital Partners is a healthcare-focused advisory platform serving investors, founders, boards, and executive leadership teams seeking growth, clarity, and execution in complex markets.
We believe healthcare is one of the most important and complicated sectors in the global economy. Success requires more than capital—it requires insight, speed, relationships, and strategic precision.
We work alongside leadership teams to help them identify opportunities, reduce risk, and outperform in competitive markets.
Our model is built around three structural advantages that set us apart from broad consultants, traditional investors, and generic advisory firms.
We specialize in healthcare and life sciences — deep domain focus rather than generalist advice.
We understand operations, growth execution, and leadership realities — not just capital allocation and returns.
We provide senior-level attention with discretion and urgency on every engagement, every time.
We work across the full ecosystem of healthcare organizations, bringing specialized insight to every subsector we serve.
Meet the experienced professionals driving innovation and excellence in healthcare investment.

Founder, President & Chief Investment Officer
William Soliman brings over 20 years of leadership in the healthcare industry. With an uncommon depth of pharmaceutical, clinical, and regulatory expertise, he has built and scaled multiple enterprises in the healthcare industry, including founding the Accreditation Council for Medical Affairs (ACMA), the leading board-certification and accreditation organization with partnerships spanning over 1,000 pharmaceutical and biotechnology companies worldwide.
As a recognized national thought leader, he is a frequent commentator on pharmaceutical innovation and healthcare policy, appearing regularly on Fox News, ABC, NewsNation, and other major outlets. With an audience exceeding 400,000 followers across social media platforms, he is widely regarded for his ability to distill complex science into clear, actionable insights.
His professional experience extends from early-stage clinical trial design through regulatory approval and commercial launch. He has served in executive, board, and advisory capacities for global pharmaceutical leaders including AbbVie, Gilead Sciences, Merck, Boehringer Ingelheim, and Biovail. His direct involvement in clinical development programs, combined with deep regulatory and market-access insight, enables him to evaluate the healthcare landscape with a keen eye. Currently, he serves on the Forbes Technology Council and the McKinsey Health Technology Council. He previously held faculty appointments as Clinical Professor of Medicine at Seton Hall University and Touro College of Medicine & Pharmacy. His academic research career includes work at Columbia and NYU.
His education includes a Bachelor Degree (B.A.) from New York University (NYU), a Master Degree (M.Phil.), and Doctorate (Ph.D.) from Columbia University, with a focus on Biochemistry, Chemistry Education, and the Interface between Macroeconomics and Chemistry. He has over 30 scientific publications and was invited in March 2021 to give a congressional briefing to the U.S. Congress Health Subcommittee on professional standards in the pharmaceutical industry.

Portfolio Manager
Michael Jeong serves as Portfolio Manager overseeing the long/short healthcare fund. In the past decade, he has worked primarily with healthcare investments in both equity and debt, including venture stage, private equity, long-only, and hedge funds.
Prior to joining the firm, he led successful thematic healthcare investment strategies at several multi-billion dollar equity investment funds, including Samsung Asset Management and Highland Capital Management. He has a proven track record of developing and implementing high-conviction thematic strategies and proprietary models focused on biotechnology, pharmaceuticals, and adjacent healthcare subsectors. His approach combines rigorous biomedical research, advanced data analysis, and deep clinical insight to identify transformative opportunities ahead of the market. His academic career includes genomics, neuropsychiatry, and medical oncology, including a faculty research position at Yale University School of Medicine.
His education includes a Bachelor Degree (B.S.) in Molecular, Developmental & Cell Biology from Yale University and Doctorate in Medicine (M.D.) with Honors in Epidemiology & Biostatistics from Tufts University School of Medicine.

Chief Operating Officer
Eugene Prahin serves as Chief Operating Officer with extensive leadership experience spanning investment management, fund operations, and biotechnology. Prior to joining the firm, he most recently served as Chief Operating Officer of Sparrow Capital, a multi-strategy investment manager with exposure to private equity, venture capital, real estate, and opportunistic strategies. In this role, he oversaw all fund and firm operations, managed portfolio company oversight, and guided multiple successful exits across diverse market environments.
In biotechnology, he has experience as Chief Financial Officer of Yamo Pharmaceuticals, an FDA Fast Track-designated company developing treatments targeting core symptoms of autism spectrum disorder. He joined at founding and led the company through multiple financing rounds, clinical advancement, and the successful execution of a Phase 2 trial. As co-founder and Chief Executive Officer of FEA Materials, he built the leading U.S. producer of scandium-enriched master alloys from technology development through corporate partnerships, initial commercial sales, and strategic engagement with the Department of Defense. His early career included roles with GSC Group and Lehman Brothers.
His education includes a Bachelor Degree (B.S.) Management with concentrations in Finance and International Business, from State University of New York (SUNY) Binghamton and a Masters in Business Administration (MBA) with a concentration in Finance from London Business School.

Strategic Advisor, Board Member
Lourdes M. Castillo is a strategic advisor, entrepreneur, and civic leader with more than three decades of experience connecting business, investment capital, public policy, and innovation across the United States and Latin America.
She is the Founder and CEO of LMC Communications, a strategic advisory firm established in 1994, and the Founder and Chairwoman of the LATAM Family Office Society, an invitation-only network connecting leading ultra-high-net-worth families and family offices across Latin America.
Castillo is a Co-Founder of the Economic Club of Miami, a private forum established during the pandemic to help position Miami as a global center for business, finance, and public policy dialogue. She also helped bring MIT's Global Co-Creation Lab to South Florida, serving as a co- founding partner of the regional initiative developed in collaboration with MIT's Institute for Medical Engineering and Science to foster collaboration among leaders in healthcare, science, technology, entrepreneurship, and investment.
Her contributions to civic leadership were recognized through her appointment by the Governor of Florida as a Commissioner on the Florida Commission on the Status of Women, where she advanced initiatives focused on leadership development, mentorship, and opportunities for women throughout the state.
Throughout her career, Castillo has served on the boards and advisory councils of numerous nonprofit, healthcare, and civic organizations, including Chapman Partnership, Miami Children's Hospital, the American Red Cross, Miami City Ballet, and the National Alzheimer's Association. Her leadership and community impact have been recognized with honors including the Mercy Ambassador Award, the Junior League of Miami's Women Who Make a Difference Award, the Big Brothers Big Sisters Miracle Maker Award, and Chapman Partnership's Womenade Recognition.
A proud Cuban American, Castillo graduated from St. Thomas University and pursued international studies at the Universidad de María Cristina in El Escorial, Spain. She resides in Miami, Florida.

Strategic Advisor, Board Member
Bradford Higgins is a lawyer, investment banker, and former senior U.S. government official with extensive experience in international finance, post-conflict reconstruction, and humanitarian efforts. Joining the U.S. Department of State in 2004, he first served as Chief of Planning for the Iraq Reconstruction Management Office in Baghdad and as Chief Financial Officer for the Coalition Provisional Authority. In 2005, he returned as Senior Advisor to Ambassador Zalmay Khalilzad, became the first director of the Strategic Performance and Assessment Office for the U.S. Mission in Iraq and served as Senior Advisor to the Assistant Secretary for Resource Management.
Nominated by President George W. Bush, he served as Assistant Secretary of State and Chief Financial Officer of the State Department from 2006 to 2009. Here he managed a $34 billion budget. During his tenure, he was also elected Chairman of the Audit Committee of the Organization of American States and served as senior advisor to U.S. Ambassador Hector Morales.
Brad Higgins began his career as an associate at the law firm Simpson Thacher & Bartlett in New York City. He spent over two decades on Wall Street, serving as a Managing Director at Credit Suisse First Boston, where he managed the municipal utility and infrastructure finance groups, and as co-head of the tax-exempt energy group at Goldman Sachs. He later joined Bear Stearns Asset Management as a Managing Director responsible for marketing to public sector pensions. Currently he serves as President and Chairman of the Board of JumpStart International, a humanitarian aid organization, and he is also a Venture Partner at SOSV, where he focuses on investments in energy technologies. He earned his Bachelor Degree (B.A.) and Juris Doctor (J.D.) both from Columbia University.

Sr. Advisor, Investor Relations
Andria Berkin-Schneiderman is an executive visionary leader who has spent over a decade solving complex challenges through cross-sector collaboration. Recognized as a Top 100 Health & Wellness Professional, Andria's professional strength is her ability to bring healthcare institutions, nonprofits, and community stakeholders together to create lasting impact. Her talent for forging these strategic partnerships was front and center during her tenure as a Trustee for Hackensack Meridian Health, where she provided vital governance for a system serving 3 million patients annually.
Driven by a passion for community-based solutions, Andria translates big-picture vision into real-world results. She has successfully advanced maternal and pediatric health initiatives, spearheaded over $5 million in fundraising and public health communications, and founded the High School Career Academy—an innovative program that opens doors for 1,000+ students annually. Today, Andria brings her collaborative leadership and sharp problem-solving skills to the Board of the Federal Enforcement Homeland Security Foundation, advising on national outreach, organizational development, and strategic engagement.