Family Offices in Los Angeles

Apeiron Investment Group is a discretionary investment firm and family office founded and owned by serial entrepreneur Christian Angermayer. The firm manages approximately $7 billion in assets, deploying a global, multi-strategy investment approach with a primary focus on the United States. Apeiron is driven by a bold optimism for a future where technology empowers people to live longer, healthier, and more fulfilling lives. Their investment philosophy centers on being hands-on, reliable, and long-term partners to exceptional founders and emerging asset managers, supporting them in pushing the boundaries of imagination and shaping the future.Founded in 2012 by Christian Angermayer, Apeiron Investment Group operates as his private investment vehicle. Angermayer, a prominent German entrepreneur and investor, established the firm to invest across various innovative sectors, reflecting his diverse interests in life sciences, financial technology, and emerging technologies. The firm's approach encompasses the entire company lifecycle, from incubating and accelerating breakthrough ideas to scaling growth-stage businesses and making impactful investments in publicly listed companies. Apeiron also engages in anchor LP investments combined with minority GP stakes in asset managers.Apeiron Investment Group's portfolio spans a wide array of innovative companies. Notable investments include atai Life Sciences, a biotechnology company focused on mental health treatments, including psychedelics-based medicine; Sorare, a blockchain-based fantasy sports platform; NAGA, an online financial instruments trading platform; and Alto Neuroscience, an AI-driven drug discovery platform for neurological diseases. The firm has also backed companies like Razor Group, an e-commerce aggregator, and Super Copper, involved in mining. Their diverse holdings reflect a commitment to sectors such as biotechnology, fintech, AI, and human enhancement.The firm's team comprises over 50 professionals, including senior investment experts, operating from offices in key global hubs. Christian Angermayer, as the founder, leads the strategic direction, supported by managing directors and a dedicated team across various functions. Apeiron's expertise lies in identifying and nurturing companies that align with its vision of advancing scientific progress and technology to improve human well-being, with a particular focus on areas like longevity research and brain-computer interfaces.

Ballmer Group is a philanthropic organization and family office co-founded by Steve and Connie Ballmer, dedicated to improving economic mobility for children and families across the United States. The firm operates at the intersection of philanthropy, policy, and technology, providing funding and support to non-profits and public sector organizations. Their approach involves both direct services that strengthen communities in the present and systems-level interventions designed to transform opportunities long-term, with a strong focus on advancing racial equity and addressing systemic inequities.The organization was established in 2015 by Steve Ballmer, former CEO of Microsoft, and his wife Connie Ballmer, a long-time advocate for children and education. Their founding was driven by a shared commitment to understanding and addressing the root causes of poverty and ensuring that every child has an equal chance to achieve economic mobility. The Ballmer Group emphasizes flexible, multi-year, and often unrestricted funding, coupled with rigorous data-based due diligence to support effective and scalable solutions.Ballmer Group's investment and grantmaking activities span multiple critical areas impacting economic mobility. These include early learning, K-12 education, college and career pathways, housing, behavioral health, and criminal justice reform. Notable commitments include significant investments in affordable housing funds like Avanath Capital's Affordable Housing Renaissance Fund and The Vistria Group's Vistria Housing Fund, substantial grants to organizations like Communities In Schools to expand student support, and a major donation to the University of Oregon to establish the Ballmer Institute for Children's Behavioral Health. They also support initiatives focused on improving data and technology infrastructure for human services.The team at Ballmer Group comprises practitioners with deep knowledge and experience in their impact areas. Key leadership includes Co-Founders Steve and Connie Ballmer, CEO Terri Ludwig, and other executives overseeing philanthropy, operations, finance, and national investments. The firm maintains a national focus with deep regional investments and a physical presence in key areas such as Washington state, Los Angeles County, and Southeast Michigan, reflecting a comprehensive strategy to drive systemic change.

Bryant Stibel is an investment firm established in 2013, dedicated to providing strategic guidance, capital, and operational support to businesses. The firm primarily focuses its investments across the technology, media, and data sectors, with a particular emphasis on areas such as software, SaaS, e-commerce, artificial intelligence, big data, wellness, and sports. They aim to partner with companies to unlock value and foster sustainable long-term growth, often engaging deeply with management teams to drive business transformation.The firm was co-founded in 2013 by the late Kobe Bryant, a globally recognized sports icon, and Jeff Stibel, a proven market-driven operator and serial entrepreneur. This unique combination brought together Bryant's creative vision with Stibel's extensive experience in operating technology and data-driven businesses. The founding team also includes senior management operating partners from Stibel & Co., who contribute a wealth of public and private company experience.Bryant Stibel's diverse portfolio includes notable investments in companies such as LegalZoom, The Honest Company, Scopely (a mobile game developer), Epic Games, Rover (a pet-sitting marketplace), Alibaba, McAfee (cybersecurity), G2 (business software reviews), FlixBus, Life360, Tile, and Art of Sport. The firm has successfully invested in several unicorn companies, including Sysdig, Fullstory, and G2, demonstrating its ability to identify and support high-growth ventures.The team at Bryant Stibel is characterized by its operational focus and deep expertise across various domains, including SaaS, e-commerce, and brand development. They offer strategic advisory and tactical support, leveraging their collective experience to provide hands-on assistance to portfolio companies. Jeff Stibel, a founding partner, has a distinguished background, having served as President & CEO of Web.com and Vice Chairman of Dun & Bradstreet, further solidifying the firm's operational acumen.

Cresset Capital is an independent, award-winning multi-family office and private wealth management firm that serves ultra-high-net-worth (UHNW) families, entrepreneurs, and executives across the United States. The firm offers a comprehensive suite of services designed to optimize wealth and life, including holistic financial planning, sophisticated investment solutions, tax and estate strategies, and trust services. Cresset aims to provide clients with the insights, access, and innovation traditionally reserved for leading single-family offices and institutions.The firm's offerings extend to private investment opportunities, encompassing private equity, real estate, and private credit. They also provide specialized services such as pre-transaction planning, liquidity and exit planning for business owners, private banking services, insurance advisory, CFO services, estate planning, philanthropic planning, family governance, education, and lifestyle solutions. Cresset emphasizes a client-first, fiduciary approach, ensuring transparency and accountability in its wealth management strategies.Cresset was founded in 2017 by private equity investors Eric Becker and Avy Stein. Their motivation stemmed from their own experiences with existing wealth management approaches, which they felt lacked the comprehensive, personalized services and access to institutional-quality private investment opportunities that UHNW individuals and families deserved. The founders envisioned creating a firm that was client and employee-owned, built to endure for over a century, and rooted in excellence, transparency, and partnership.The leadership team at Cresset includes founders Eric Becker and Avy Stein, along with key executives such as Susie Cranston (CEO effective April 15, 2026), Doug Regan (Founding Partner and Co-Chairman), Mike Silverman (Chief Investment Officer), Jack Ablin (Chief Investment Strategist), Paul Algreen (Chief Technology Officer), Michael Costabile (Chief Financial Officer), and Amy Hong (Chief Operating Officer). This team brings extensive experience in investment management, financial planning, and operational leadership, enabling Cresset to deliver sophisticated and integrated wealth management solutions to its diverse clientele.

Ecor Ventures operates as a venture studio, focusing on building and developing technology companies. The firm is dedicated to creating innovative solutions, particularly in the realm of productivity tools, technology consulting, and data analytics. They emphasize fostering best-of-breed development experiences and leveraging open-source roots to cultivate successful ventures.The firm was founded in 2016 and is led by Corey Butler, who serves as the primary partner and managing director of the Ecor Ventures portfolio. Butler also holds the position of Practice Lead at ButlerLogic, one of Ecor Ventures' portfolio companies. His expertise lies in translating complex web and data technology into profitable solutions, having assisted over 100 companies in this capacity. He is also recognized as an open-source advocate and an active contributor to GitHub.Ecor Ventures' portfolio includes several notable technology companies. Author.io specializes in creating productivity tools and services for technology authors, with its tools utilized by over 250,000 developers globally. ButlerLogic functions as a technology consulting practice, offering expertise in systems architecture, business intelligence, web engineering, and technology organization development. PeopleFlow is a data refinery and collaboration suite designed for People Analytics, integrating with HR systems to provide valuable insights for human resources departments.The team at Ecor Ventures, under Corey Butler's leadership, brings a strong background in technology development, open-source advocacy, and strategic business growth. Their approach involves hands-on company building, leveraging their collective experience to nurture and scale their ventures. The firm is based in Austin, Texas, with its portfolio companies also having a presence in Austin and Los Angeles, California, and a distributed US-based team for ButlerLogic.