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Ruth Porat
President & Chief Investment Officer, Alphabet Inc. (Class A)
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Investing for the Long-Term: A Conversation with Ruth Porat

📅 Oct 12, 2026 Fortune Conversations 29 MIN 25 SEGMENTS · 2 SPEAKERS
Ruth Porat, who is ranked No. 11 on this year’s MPW list, has helped shape some of the most consequential bets in modern business. As Alphabet and Google’s President and Chief Investment Officer, and formerly its CFO, she operates at the intersection of capital allocation, technological transformation, and corporate strategy at extraordinary scale. Elements of her leadership story are also deeply personal. A two-time cancer survivor, Porat has spoken openly about her diagnosis and treatment—and about the urgent need to develop preventive technologies that can detect cancer earlier, expand acce...

Questions asked in this interview

11
  1. 0:01All right, good afternoon everybody. How are we doing?
  2. 0:35What were the key decisions that you saw that were made that set it up to meet this moment?
  3. 3:09Are we going to be looking at the size of investment continuing to need to be poured in for multiple years, or are we kind of at the peak?
  4. 6:21Are you worried about the amount of debt that's funding this?
  5. 10:18As you're thinking about financing it, where is the priority for you?
  6. 13:38Like, you know, I take it you probably disagree long-term the opportunity is there financially for this to make sense, but for those two trends, is open source at risk and could that really hurt the ecosystem?
  7. 15:54Like, what do you think is the best thing we could do to help rectify the situation?
  8. 18:20In a time where people are so concerned about job security and jobs going away, what's the opportunity that you're pointing at to create careers for people?
  9. 20:13Do you see it for upcoming, like would-be job workers in Gen Z and lower?
  10. 22:13I'm curious, how do you think the United States can start looking at, and employees can start looking at AI as a tailwind rather than a headwind?
  11. 25:26How do you think about the power of what AI could do?
Interviewer 0:01
All right, good afternoon everybody. How are we doing? Awesome. Well, it is such a pleasure to spend time with you today, Ruth. We have so many questions. You have such a great vantage point to everything going on in technology at the largest companies in the world and the most impactful in AI. So with that, I want to set the scene.
Ruth Porat 0:24
First, I have to say how amazing it is to walk on stage and see a room full of women. So it is wonderful to be here. To all of you, thank you.
Interviewer 0:35
Absolutely. So another thing I want to address is there's a potential $4 trillion economic opportunity in the United States if we execute AI responsibly and well. So I want to shape this conversation to figure out where are we in the buildout? What's holding us back from meeting that opportunity? And how we can realize it. So my first question is, you joined Alphabet in 2015, and in 2016 the company just says, it declares, we're going to be AI first. We're going to make this platform shift, and you start putting the pieces in place to do that. So you had a front row seat to watching a company get ready for the era we're in now. What were the key decisions that you saw that were made that set it up to meet this moment?
Ruth Porat 1:16
Well, actually it goes back to 2010, and I would say it even goes back earlier than that. When Google went public, a core part of the founders' letter for the IPO was, we will invest in long-term growth. And we were always very deliberate about what that meant. So even at a company as innovative as Google, we said, let's create organizational structures to nurture entrepreneurial innovation above and beyond everything we're doing in our business. So we created something called the 20% project, where if you had a great idea, you could go off and pursue it. Why am I going back to that? One of the first things that came out of the 20% project was Google Brain, which was our first AI business. In 2014, we acquired DeepMind. And then only in 2016 did we say, you know what, now is the time to really pivot from being mobile first to AI first. And I think one really important lesson from that is you must invest for long-term growth. By the time you need it, it's too late to say, 'Okay, now we're going to start. It's 2016.' So when our CEO Sundar Pichai said in 2016 we are pivoting to AI first and it will be a full stack approach — at the time it wasn't really clear what that meant — but the foundation was already there. It was an extraordinary research team. It was the development of models that were needed. We had already been developing our own proprietary chips, TPUs, and then already using machine learning, a precursor into what we have here today, to improve the customer experience both for consumers and for enterprise and for government. So it was really at this point saying, full stack approach, everybody, eye on what that means for model development, for chip development, infrastructure development and deployment.
Interviewer 3:09
So that's an incredible perspective to take us into 2026, where the buildout is in full swing. It's an expensive buildout. I think Google is spending about $200 billion, give or take, this year on it, in particular into AI efforts, but that's not even the biggest in the tech category. Amazon is spending more, and with the four horsemen of tech, it's about $730 billion going into the AI buildout this year. I'm curious. I know you're in a quiet period or entering one ahead of Q3 earnings, so you can't get too specific, but as you're thinking about long-term investing, how far into that long-term investment are we? Are we going to be looking at the size of investment continuing to need to be poured in for multiple years, or are we kind of at the peak?
Ruth Porat 3:52
So there are a couple parts to that. One, we've said publicly that we're looking at about $200 billion of capex this year, and that we expect that will increase significantly next year. And we've also said, as have a number of our peers, that we are capacity constrained. The demand for compute, because of the value that our partners are seeing in the enterprise, in governments, what we're seeing across our platform, suggests that we're the buildout here now. If you could snap a finger, we could deliver value. That's an important point, but I bet if I did a show of hands, everyone here would say, but we're so early on the journey. And I think that is true. Many of us are still grappling with, if you do triage on the full set of opportunities within our enterprise, where can we get the highest return? One of the things that struck me is when Demis Hassabis won the Nobel Prize, and you and I have talked about this, he was embarking on something that had been a 50-year grand challenge, and that was to predict the protein structure for all proteins known to humanity. This comes back to your question. And at the time, it took four years for just one protein. There are 200 million proteins known to humanity. And members of his team said, 'How is this even possible?' And his answer was, 'Why not?' And his answer when he was awarded the Nobel Prize shortly thereafter, four years later, was the benefit of this technology is that we can solve the most intractable problems that we have in each one of our businesses, government, wherever it happens to be. That suggests that really the magic in this, and the answer to your question, is how deeply do we dig into sort of creativity about how do you expand the scale and scope of your business. So we do see this as an opportunity that extends for quite some time. Point number one. Point number two: we, each of us, to generate an attractive return on investment, need to be focused on two things. One, what is the value that we add to partners so that you can actually deliver attractive revenue growth. And the other is how efficiently do we deliver that compute capacity. And so on everything from model efficiency to infrastructure efficiency, we have historically and continue to be very focused on driving greater performance per dollar of investment.
Interviewer 6:21
So, you know, a lot of funding these things though come down to the right timing, the right demand, all of it working out all at once. When this was 2008, you had a front row seat to a financial crisis. At the time you were at Morgan Stanley. Soon after that you became the CFO of Morgan Stanley. And liquidity was a big vulnerability. We're entering an era where a lot of debt is financing this AI buildout and the AI data center buildout at a time when there is uncertainty. Sometimes the buildout is not happening as fast, or we're not able to move as fast as we want. When you kind of look back at your experience with 2008, what are the biggest risks you see in the system now? Are you worried about the amount of debt that's funding this? Not from someone like an Alphabet, you guys are clearly fine, but from the larger ecosystem.
Ruth Porat 7:07
So it's interesting you use the word liquidity. When I arrived at Google back in 2015, I was asked a lot about the financial crisis. Probably one of the most meaningful roles I played in my career was advising then Secretary of the Treasury Hank Paulson. And one of the key lessons from the financial crisis was that you should identify your greatest source of vulnerability early and fortify against it, because you can't address it in the moment. Now for banks, it was liquidity. Without liquidity, you couldn't run a trading operation. Without liquidity, you shut down. And I've been asked that question frequently since. What is the greatest source of vulnerability today? I think for all of us across industry, one of the most important elements is innovation in your business, because if anyone is connecting with your customers in ways that you are not, because they are using AI and you are not, or if anyone in your industry is looking about how to manage supply chain or other elements, you're at a competitive disadvantage. So that's one part of it. I appreciate that's not what you were asking. You were really going to, but what about this question about funding and financing? And I would say one of the important lessons there from other platform shifts is it is imperative that each one of us is delivering differentiated solutions. I ran technology banking at Morgan Stanley in the late '90s, and what you saw going through the late '90s is those that really kind of sustained growth over the long term were those who were using technology in a differentiated way. If you, at the time I said, if you're just, if you're using the internet just as a way to have an online catalog, that's not a sustainable differentiator. Similarly today, if you're using AI simply to try and extract efficiency from a business, that's nice, but that's not long-term sustainable. The real question is what should be different? What is available today that wasn't available previously? One of my favorite examples on that, probably because I spent so much of my time in my career in financial services, is in financial services. If you think about the service that was delivered to ultra-high-net-worth individuals for decades, it wasn't available to everyone else because the cost of delivery was too great. But with AI, and agentic AI, the ability to actually aggregate more information, deliver great insights in a more cost-effective way, means unit economics have gone down. You can deliver for an entire customer base you previously couldn't deliver for. That is better for everyone in society, that everybody is getting access to quality information. But most important, when unit economics can change, you can identify new markets that you maybe wanted to identify in the past but couldn't. Which is why I think that Demis' comment that we should each look at the most intractable problem, a market you wanted to address, a way you wanted to deliver that you couldn't, and this will make a difference for it.
Interviewer 10:18
I'm curious, when you look at what winning looks like for Alphabet, do you need to fund this so that you play to win and you have the best model and the best chips? Do you have to kind of own that ecosystem, or at your scale is just being good enough enough? As you're thinking about financing it, where is the priority for you?
Ruth Porat 10:37
So I think the word 'win' in the context of this technology platform is an important one to drill down on. Oftentimes it's viewed as where are you at any particular point. There's third-party leaderboards that gauge sort of where are you on reasoning or logic, math, etc. Our view is the most important element is to, if you want to call it win, lead in responsible deployment of technology, because the thing that is true throughout history is anything that is not built for the long run won't endure for the long run. And so in our view, the single most important thing we're focused on — well, the single most is three. So the three most important: if we don't collectively fortify the downside risk collectively, we will not have the opportunity to capture the upside. And you've hit on one part of it, but I think very importantly where we've been focused literally since we said we're shifting to AI first is, one, what about governance around models. So concurrent with announcing we're moving to AI first, mobile first moving to AI first, we said we're going to develop and operate with a code of principles, and since then have been very focused on what's the governance framework that is needed to provide the responsibility, the scientific rigor, the resilience that's needed with a technology that continues to evolve. And our colleague Demis Hassabis, again, the Nobel Prize-winning scientist, amazing leader, has codified that, really bringing in what across Alphabet we think is the most important way to approach this, which goes to levels of transparency, testing models before release, bringing in a whole of community — government, developers, those of us who are model builders out at the frontier, etc., academia — to actually have a rigorous foundation. That's one part of it. The other part of it is how to ensure when you're building the infrastructure to deliver this, it's done responsibly. And the third part that's super important, you and I have talked about it, is ensuring that this upside benefit actually addresses the needs across economies, across society, so that we're narrowing inequities in society, addressing inequities. So again, it builds something that is sustainable.
Interviewer 13:16
So what I'm reading between the lines is thinking for the long term, building this in the most responsible way will be the way to win. You could probably also look at that and say, well, there's maybe people that are building it a little bit recklessly and a little bit too fast.
Ruth Porat 13:31
There always are. And platform shifts, fortunately, I think hopefully the market shakes that out.

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APA

Porat, R. (2026, October 12). Investing for the Long-Term: A Conversation with Ruth Porat [Interview transcript]. Fortune Conversations. CEOInterviews.AI. https://ceointerviews.ai/interview/3049271/

MLA

Ruth Porat. "Investing for the Long-Term: A Conversation with Ruth Porat." Fortune Conversations, 12 Oct. 2026. Transcript, CEOInterviews.AI, https://ceointerviews.ai/interview/3049271/.

BibTeX
@misc{porat2026_3049271,
  author       = {Ruth Porat},
  title        = {Investing for the Long-Term: A Conversation with Ruth Porat},
  howpublished = {Interview transcript, Fortune Conversations. CEOInterviews.AI},
  year         = {2026},
  month        = {oct},
  url          = {https://ceointerviews.ai/interview/3049271/},
  note         = {Speaker-attributed transcript with timestamps}
}