We selectively invest in companies at the cutting-edge of technology.
Marbruck Investments
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Isenberg Ventures
We are a highly specialized venture capital firm dedicated to unlocking value in the critical, often undervalued, sector of pre-regulatory approved diagnostic platforms. We exclusively target opportunities where the core technical development risk has been substantially mitigated, but where the perceived regulatory hurdle remains high. We see this intersection as the optimal point for strategic investment, enabling us to partner with companies that possess high-growth potential and a clear path to market. Our investment thesis is powered by a unique blend of deep clinical rigor and disciplined business acumen. We do not just provide capital; we take an active operational role within our portfolio companies, leveraging our expertise—developed through decades of experience in clinical practice, advanced scientific research, and financial management—to serve as an extension of the management team. This hands-on approach allows us to directly de-risk complex regulatory pathways, accelerate product validation, and transition novel science into commercially successful, life-changing platforms.
Marquee Ventures
Marquee Ventures is an early-stage fund that spun out of the Chicago Cubs. Like the iconic marquee that has illuminated Wrigley Field for almost 100 years, our investment strategy shines a light on companies with innovative ideas and exceptional growth potential. We actively partner with visionary founders and management teams, providing them with the resources, guidance and networks required to reach scale. How We Win Powerful Global Network: We can unlock a powerful global network of builders and leaders across the ecosystem. We know what our strengths are, and we know where we can help companies scale. Throughout our decades of combined leadership in these sectors, we understand that people ultimately drive results, so we have cultivated relationships with advisors and potential partners for our portfolio companies. True Partners: We are collegial and work as true partners. Early-stage companies are hard and working with people who share our "people first" attitude makes it a meaningful journey focused on shared success. We like to work with people who are just as happy debating ideas in the board room as they are doing it at an afternoon Cubs game. Expertise in Brand and Customer Experience: We have a unique understanding of the power of brand and customer experience. Nothing is more powerful than trust that a brand builds through its ongoing relationship with its customers. We have seen this firsthand both scaling new brands and managing historic ones. Transforming regular customers into meaningful fans can be the ultimate moat.
Alstin Capital GmbH
Alstin Capital is a Munich-based early-stage venture capital fund focused on B2B software companies across Europe. The firm invests initial tickets of EUR 2-8M in fast-growing Seed and Series A B2B software companies, with particular focus on FinTech, InsurTech, RegTech, Cyber Security, and ClimateTech sectors. Alstin Capital is known for its "All-in commitment" approach, providing not only capital but also comprehensive support in sales, PR & marketing, and expansion strategies to help portfolio companies scale successfully. Founded in 2011, Alstin Capital has established itself as a trusted partner for B2B software founders throughout Europe. The firm's investment philosophy centers on identifying technology companies with the potential to become market leaders and supporting entrepreneurs with both capital and operational expertise. Their portfolio includes notable companies such as Pliant, Circula, Etalytics, Retraced, and several successful exits including Alyne and Stocard. The team combines extensive deal experience with deep expertise in B2B sales and operational support.
Overton Venture Capital
Overton Venture Capital is a woman led fund that invests in seed and early stage, revenue generating companies whose entrepreneurs break the world’s confines and reimagine it with transformational solutions for next-generation businesses. THE OPPORTUNITY: Technology continues to power rapid digital transformation, so much so that consumers are shifting their behaviors and preferences in how they discover, shop and buy in a next-gen commerce world. We invest in companies that capitalize on this transformation and seek to ultimately transform their sectors. COMPANIES WITH OUR SHARED DNA:Founders and Teams We identify and invest in outstanding teams that are on the cusp of disrupting legacy industries. We are inspired by the people who create innovative products that answer consumer needs. Diversity We believe that teams comprised of diverse backgrounds and different perspectives generate powerful solutions that shape tomorrow’s world. We are committed to backing companies with diverse leadership and balanced teams. Integrity This is a partnership after all. We only work with teams of the highest integrity and those who are unwavering in their commitment to running their businesses. We, in turn, will always be open, honest, and transparent with our portfolio companies and partners. Performance We are motivated to partner with companies that have generated rapid growth through fiscal prowess, product differentiation, and competitive advantage. We look for companies that develop scalable, differentiated and defensible products that outperform the market. HOW OUR TEAMS WORK TOGETHER: As founders and operators ourselves, we seek opportunities where we can create value and a sustainable advantage for our companies. Our team plays an active, hands-on role with each portfolio company to help fill the gaps where they need it most to amplify growth.
Manulife Financial Corporation
Manulife Financial Corporation is a Toronto-headquartered financial services institution founded in 1887, operating across Asia, Canada, and the United States. The company delivers life and health insurance, wealth management, investment management, retirement planning, group benefits, and retail banking services through subsidiaries including John Hancock in the United States and Manulife Bank. With more than 135 years of operation, Manulife serves millions of individual, family, and institutional clients across its three core geographic markets. The company's business model spans the full spectrum of financial services distribution, from individual insurance policies and retirement accounts to employer-sponsored group benefits and investment management mandates. Product lines include traditional life and health insurance, workplace benefits administration, retirement planning services, discretionary investment management, and commercial and retail banking solutions. This diversified revenue base allows Manulife to maintain positions across multiple customer segments and risk profiles within the financial services value chain. Manulife's technology infrastructure incorporates Salesforce for customer relationship management, Power BI and Tableau for business intelligence and analytics, and Excel for financial modeling and analysis. The company positions digital innovation as a core operational priority alongside its traditional financial strength, though specific digital product offerings or platform investments are not publicly detailed. Roy Gori serves as Chief Executive Officer.
Coreline Ventures
At Coreline, we get involved from the start and commit for the long term. We make a small number of high-conviction investments in the US and Japan, focusing on the fundamentals of building impactful companies. Our intentionally compact portfolio means every founder gets our full attention. Expect thoughtful conversations, hands-on advice, and partners who build trust, foster collaboration, and contribute to your growth. We believe in nurturing entrepreneurs and creating something great, together. With an exceptional track record and the strong focus of a boutique firm, we believe in diligently pursuing the “craft” of venture capital. No gimmicks, no shortcuts, just the mastery of the basics.