Mario
Linares

The Person Founders Call Before the Board Does

Before the Series A. Before the formal org chart. Before the company has enough employees to have a real HR function. That's when Mario Linares gets the call.

As a Partner on the Executive Talent team at Andreessen Horowitz, Linares occupies one of the stranger intersections in venture capital - not quite investor, not quite operator, but critical to both. He works directly with seed-stage founders across a16z's Enterprise, Fintech, Consumer, and American Dynamism portfolios to hire the executives who will define the company's next chapter. VP of Sales. Chief Revenue Officer. Head of Engineering. The people a founder can't hire alone, and can't afford to get wrong.

The job sounds simple. It is not. Executive hiring at the seed stage is an exercise in reading the future - guessing not who a company needs today, but who it will need in 18 months, when the pressure is different, the team is bigger, and the stakes are real. Linares has spent two decades sharpening exactly that instinct.

There is something unusual about how Linares arrived at this work. He studied Clinical Psychology at San Jose State University - not exactly the traditional pipeline into venture capital. Before Silicon Valley found him, he was a professional chef. Both careers, it turns out, were training for the same skill: reading people. A psychologist and a chef share one superpower - knowing what someone needs before they can name it themselves.

That background shows up in how he operates. He builds long-term relationships with executives and entrepreneurs - not transactional "here's a role" relationships, but genuine ones, the kind that mean he already knows the right candidate before the role is even written down. In a world where everyone claims to be "relationship-driven," Linares is the version that actually means it.

A Roadmap of Silicon Valley, Stop by Stop

Read Linares's career timeline and you're reading a history of where the Valley's talent was moving - and why.

• 01
  Cisco - Senior Executive Recruiter

  The foundation. Cisco in its prime was one of Silicon Valley's great talent factories. Linares learned to recruit at enterprise scale - complex organizations, senior candidates, high stakes.

• 02
  Nicira - Director of Staffing

  From enterprise giant to a startup that would become one of the most celebrated acquisitions of its era. Nicira, an a16z-backed software-defined networking company, sold to VMware for $1.26 billion. Linares had a front-row seat - and built the talent infrastructure that helped make the exit possible.

• 03
  VMware - Executive Recruiting Director

  When VMware acquired Nicira, Linares followed the company into the acquirer. He ran executive recruiting at one of enterprise software's most powerful organizations - a role that put him inside the machine learning how scaled tech companies think about leadership talent.

• 04
  Google / YouTube - Senior Executive Recruiter

  YouTube's in-house executive recruiting team. This was where the brand cachet met genuine complexity - recruiting senior talent for one of the world's most visible consumer platforms, competing against every other company in tech for the same finite pool of exceptional people.

• 05
  Aviatrix - Head of Talent Acquisition

  Back to startup mode. At Aviatrix, a cloud networking company, Linares ran global hiring and organizational design - the kind of role where you're not just filling seats but building the structure the company will grow into.

• NOW
  Andreessen Horowitz - Partner, Executive Talent

  The culmination. At a16z, Linares brings his full toolkit - enterprise, startup, consumer, platform, and organizational design experience - to bear on the moment that defines most companies: the first real C-suite hire. He works directly with seed founders, where the relationships run deepest and the stakes run highest.

Four Verticals. One Mandate.

At a16z, Linares focuses on four of the firm's most active investment themes. Each demands something different from the executives who run them.

The common thread across all four: Linares is looking for executives who can operate at the seed stage, where everything is still being invented, and scale with the company as it grows. That's a narrow band of talent. Finding it requires long relationships, not quick searches.

Why a Former Chef Makes a Better Recruiter

The psychology degree and the cooking background are not accidents. They are the foundation of a particular kind of intelligence that Mario Linares has been refining for two decades.

A chef's job is precision under pressure - knowing that every element of a dish has a purpose, that substitutions have consequences, and that timing changes everything. A psychologist's job is reading motivation - understanding why someone wants what they say they want, and whether that maps to what they actually need. In executive recruiting, both skills are essential every day.

What Linares brings to a16z that most executive recruiters don't: he's been inside startups that were acquired, inside the acquirers, and inside massive consumer platforms. He's seen what breaks when a company scales too fast, what happens when an executive is hired for the role the company has rather than the one it's becoming, and how the best founders think about leadership before they need it.

The result is a recruiter who can look at a seed-stage company and tell you not just who it needs now, but who it will need in 12 months - and who in his network can get there.

The Stage He Works On

Andreessen Horowitz - known as a16z - is one of the most influential venture capital firms on earth. Since its founding in 2009 by Marc Andreessen and Ben Horowitz, it has backed companies like Airbnb, Coinbase, GitHub, Lyft, Pinterest, and Roblox. Its 2026 total AUM sits at $39.6 billion, with a latest raise of $1.7 billion.

But what makes a16z genuinely different from most VC firms is its operating philosophy. From day one, Andreessen and Horowitz built a firm that does more than write checks. They built a team of operators - recruiters, marketers, communications professionals, finance specialists - who work directly with portfolio companies. The executive talent team, where Linares sits, is central to that bet.

For founders who get a16z investment, Linares isn't a service add-on. He's the person who can help them make the hire that determines whether the company survives the next 18 months. In venture capital, that's a meaningful distinction.

Long View, Close Read

People who know Linares describe someone who leads with curiosity rather than credentials. He asks more questions than he answers - a habit that traces back, perhaps, to the psychology background. In a world of recruiters who sell themselves by talking, he builds trust by listening.

His publicly stated focus at a16z: building long-term relationships with leading entrepreneurs and executives. In practice, this means he's not the recruiter who calls when there's a role open. He's the one who already knows you when the role opens, because he started the conversation years earlier.

The culinary hobby persists. Linares still spends time in the kitchen, experimenting toward the ideal version of a dish - a perfectionist's pursuit with no final answer. It's not a bad metaphor for what he does professionally: perpetually refining the match between person and role, knowing it's never quite finished, and finding the work interesting anyway.

Find Mario Linares