Skip to main content
Marc Andreessen

Wikimedia Commons

Marc Andreessen

1971-07-09 · Cedar Falls, Iowa, USA· birth time unknown

Cancer SunAquarius MoonVirgo Rising(est.)Business
Air dominantAquarius stellium3 retrogrades

Software engineer and venture capitalist who co-created Mosaic, the first widely used web browser.

Marc Andreessen's natal chart is anchored by a Cancer Sun — a deeply intuitive and nurturing soul... someone who feels everything, protects what they love, and finds identity through emotional connection.

Beneath the surface, an Aquarius Moon speaks to what Marc needs emotionally... intellectual space, community, and the freedom to feel without being defined by it. This is the private self, the part that exists when the spotlight fades.

Their energy is channeled through innovation and collective causes... they fight for ideas, not just personal gain. With 3 retrograde planets in their natal chart, much of Marc's energy is directed inward... a rich inner world that fuels their outer expression. A concentration of planets in Aquarius gives Marc's chart a strong Aquarius emphasis... amplifying the themes of that sign throughout their life.

Birth time unknown. The Rising sign, house placements, and Midheaven shown below are estimated using noon. Only the Sun and Moon positions are reliable.

Planetary Positions

Rising: Virgo (est.) · Midheaven: Gemini (est.)
Sun

Cancer

16° · House 10 (est.)

Moon

Aquarius

3° · House 4 (est.)

Mercury

Leo

5° · House 11 (est.)

Venus

Cancer

3° · House 10 (est.)

Mars

Aquarius

21° · House 5 (est.)

Jupiter

Scorpio

26° · House 3 (est.)

Saturn

Gemini

2° · House 9 (est.)

Uranus

Libra

9° · House 1 (est.)

Neptune

Sagittarius

0° · House 3 (est.)

Pluto

Virgo

27° · House 12 (est.)

North Node

Aquarius

14° · House 5 (est.)

Chiron

Aries

13° · House 7 (est.)

Chart Interpretations

Birth time unknown. Sign placements (Sun, Moon, planets) are accurate. House placements and Rising sign are estimated from noon and may not reflect the actual chart.

Sun in CancerHouse 10 (est.)

Cancer is a Cardinal Water sign, and the Sun is in its fall here ... the solar drive for distinct self-expression meeting Water's instinct to merge, protect, and retreat. Your identity forms through feeling, belonging, and the quality of your emotional bonds rather than through outward assertion. Cardinal modality gives you an initiating instinct, but it moves toward nurturing rather than leading. A concrete behavioral tendency is building your strongest sense of self around home and close relationships ... the people and spaces that feel like yours are genuinely where you live from the inside out.

Moon in AquariusHouse 4 (est.)

Aquarius is a Fixed Air sign, and the Moon is in its detriment here ... the lunar need for warmth, closeness, and emotional belonging sitting in uncomfortable tension with Aquarius's cool, detached, cerebral orientation. Air moves feelings into the intellectual realm; you observe your own emotions from a slight distance, often more curious about them than immersed in them. Fixed modality means your emotional patterns are stable and your need for freedom is deeply, consistently real. A concrete tendency is caring more easily for humanity broadly than for specific individuals up close ... the personal vulnerability that genuine intimacy requires feels like a constraint on the very autonomy that makes you feel emotionally secure.

Mercury in LeoHouse 11 (est.)

Leo is a Fixed Fire sign, and Mercury here communicates with flair, narrative confidence, and a natural instinct for holding an audience. Fire makes your expression enthusiastic and inherently dramatic; Fixed modality gives you a consistent, committed voice that stands behind what it says. You think in stories and images rather than data points, and your capacity for persuasion is genuine. A concrete tendency is an intellectual pride that makes you compelling as a communicator but occasionally resistant to revising your position once you have expressed it publicly ... the sophistication of this mind grows when the same confidence that delivers ideas is paired with genuine curiosity about whether they are right.

Venus in CancerHouse 10 (est.)

Cancer is a Cardinal Water sign, and Venus here loves with a nurturing attentiveness and emotional depth that is difficult to match. Water makes your affections deeply feeling-based and profoundly sensitive; Cardinal modality means you move toward those you love proactively ... anticipating needs, creating warmth, tending the relationship before you are asked. Your home environment and the people who inhabit it are genuinely central to your experience of being loved. A concrete tendency is retreating inside your shell when hurt rather than communicating the wound ... a pattern that protects you but leaves the people who care about you genuinely unable to reach you at the moment when reaching you matters most.

Mars in AquariusHouse 5 (est.)

Aquarius is a Fixed Air sign, and Mars here fights for ideas, for principles, and for the freedom of the collective rather than for narrow personal gain. Air channels your drive into intellectual and social domains; Fixed modality gives you the staying power to pursue a cause long after others have moved on. You are most energized by work that matters beyond yourself and by problems that require original thinking. A concrete tendency is the conviction held so firmly it becomes inflexible: this placement's idealism is genuine and its commitment admirable, but the Fixed Air quality can make your vision of how things should be as difficult to revise as the systems you are trying to change.

Jupiter in ScorpioHouse 3 (est.)

Scorpio is a Fixed Water sign, and Jupiter here grows through depth, psychological investigation, and the willingness to go where others prefer not to look. Water directs your expansiveness inward and downward; Fixed modality gives that growth remarkable staying power ... what you transform at this depth tends to stay transformed. Your fortune flows through research, shared resources, and the willingness to be undone and rebuilt by experience. A concrete tendency is the intensity that tips into obsession: Jupiter amplifies Scorpio's already formidable focus, and the productive discipline is distinguishing between the depth that illuminates and the depth that simply swallows.

Saturn in GeminiHouse 9 (est.)

Gemini is a Mutable Air sign, and Saturn here disciplines the mind ... demanding depth, rigor, and the willingness to develop genuine expertise rather than accumulating surface impressions. Air wants to move freely between ideas; Saturn asks you to slow down and verify, to earn the knowledge rather than simply receive it. Mutable modality means the challenge is sustained focus ... the discipline to stay with one thread long enough to understand it fully. A concrete tendency is a compensatory intellectualism: early experiences of feeling misunderstood or intellectually dismissed can produce an adult who over-explains, over-prepares, or qualifies every statement ... the maturation is trusting that your mind, trained as it has been, is genuinely sufficient.

Uranus in LibraHouse 1 (est.)

Libra is a Cardinal Air sign, and Uranus here (1968–1975) disrupts through revolution in partnership structures, legal rights, and the social contracts governing how people relate. Air makes Uranus's disruption conceptual and relational; Cardinal modality means the upheaval breaks out at the point of commitment or formal agreement. Your generation was born into the redefinition of marriage, gender roles, and legal equality, and carries a genuine orientation toward relationships as voluntary agreements between free individuals rather than inherited social arrangements. A concrete tendency is difficulty with conventional commitment alongside a genuine desire for deep partnership ... the terms simply need to be honest rather than assumed.

Neptune in SagittariusHouse 3 (est.)

Sagittarius is a Mutable Fire sign, and Neptune here (1970–1984) dissolves the boundaries around religion, philosophy, and the search for meaning across cultures. Fire makes Neptune's idealism expansive and drawn to the universal; Mutable modality keeps the dissolution wide-ranging and restlessly seeking. This generation is drawn to spiritual exploration across traditions and carries a genuine hunger for a truth that transcends any single faith. The shadow is spiritual bypassing ... the dilution of profound traditions into comfortable lifestyle choices, and a restlessness that mistakes perpetual seeking for having arrived at the wisdom it was looking for.

Pluto in VirgoHouse 12 (est.)

Virgo is a Mutable Earth sign, and Pluto here (1958–1971) brought transformative energy to health, work, ecology, and the systems that maintain daily life. Earth makes Pluto's transformation practical and concrete; Mutable modality means it spreads through systems analytically, restructuring processes rather than overthrowing them. This generation drove environmental movements, healthcare reform, and the digital restructuring of the workplace. The shadow is a compulsive perfectionism and an identification with critique so deep that healing is perpetually deferred ... the transformation available is a genuine regeneration of the relationship between work, health, and service, not merely a more thorough analysis of their failures.

North Node in AquariusHouse 5 (est.)

Your North Node in Aquarius calls you toward the development of collective vision, authentic contribution to something larger than personal story, and the courage to individuate in service of the group rather than in opposition to it. Aquarius is a Fixed Air sign ... the evolutionary direction here is toward principled, forward-looking engagement with the communities and systems that shape the future. The corresponding South Node in Leo suggests an ingrained ease with personal self-expression, creative pride, and the centrality of the individual narrative. A concrete tendency from the South Node is the unconscious use of personal significance as the organizing frame for everything. The medicine is discovering that your uniqueness is most potent when it lights the way for others ... not when it simply illuminates itself.

Chiron in AriesHouse 7 (est.)

Your Chiron in Aries places your core wound in the realm of identity, self-assertion, and the right to simply exist as yourself without apology. Aries is a Cardinal Fire sign ... the wound here lives at the point of initiation, in the moment of acting on your own behalf, beginning something, or asserting a need. You may carry a deep uncertainty about whether your desires are legitimate or whether it is safe to go first. A concrete tendency is self-suppression at the threshold of action ... the impulse and the hesitation arriving simultaneously, producing a paralysis that looks from the outside like caution but is actually a wound to the right of the self to be asserted. The gift, once tended, is an extraordinary capacity to help others claim their courage.

Ascendant (Rising) in Virgo(est.)

With Virgo rising, you come across as thoughtful, precise, and quietly competent. People trust your judgment because you clearly pay attention to details others miss. There's a modesty to your presence that understates how capable you actually are. You process the world through analysis and service.

Descendant in Pisces(est.)

With your Descendant in Pisces, you're drawn to partners who are empathic, creative, and spiritually attuned. You seek relationships with emotional depth and a sense of transcendence... where connection goes beyond words.

MC

Midheaven in Gemini(est.)

With your Midheaven in Gemini, your career thrives on communication, versatility, and intellectual stimulation. You're drawn to work that lets you talk, write, teach, or connect ideas. Your public reputation is built on being the person who can explain anything to anyone.

IC

Imum Coeli in Sagittarius(est.)

With your IC in Sagittarius, your roots are shaped by philosophy, freedom, and a sense of adventure. Your childhood may have involved travel, diverse beliefs, or an emphasis on the bigger picture. You recharge through exploration and meaning-making.

Curious what your chart says?

Get your free birth chart — Sun, Moon, Rising, and 1,700+ interpretations.

Get My Free Chart