Quantum; What CXOs need to know

I should probably clarify upfront that my formal qualifications in theoretical physics are best described as enthusiastically non-existent. My understanding of quantum mechanics is largely the product of sustained curiosity, an unreasonable number of books, online research and a genuine fascination with ideas that most sensible people have decided are someone else's problem. This, it turns out, is increasingly their loss.

Quantum computing is one of those subjects that sits at the edge of most leadership conversations and is acknowledged as important, rarely examined closely, and occasionally mentioned in board decks alongside other topics that nobody feels qualified to interrogate. I have sat in enough rooms now to recognise that all unfolding, nervous shifting in chairs with a swift Segway to the next subject on the agenda in the hope it might just go away.

The following piece draws on the thinking from Michio Kaku, a man of writes some wonderful books like "Parallel Worlds" which was one of my earlier favourites. Aside from being a very entertaining author and speaker he is primarily a theoretical physicist, string theorist, and one of the more compelling communicators of genuinely difficult ideas yet to explore what is actually happening, why it matters, and what the historical record suggests about our ability to handle this level of transformative power responsibly.

This on my part is intended to be useful rather than impressive. The distinction matters more than it might appear but let's get underway.

A bit of context starting with a few questions

Is quantum supremacy on the horizon? And will it be the profound opportunity with all the associated responsibility of the next computing revolution we expect? Will this new era be driven throughout the world by machines that could rewrite reality?

Well, let's explore that a bit and you can decide for yourself.

Quantum computing is moving from theoretical physics into strategic reality at a pace most organisations are not tracking. This feature does not require a background in physics. It requires only a willingness to think clearly about what happens when the underlying structure of computation changes and what history suggests about the distance between technological progress and human wisdom.

Consider this a guided conversation with some very interesting minds, translated into questions that matter at CXO level.

Every CXO understands digital transformation to a certain degree, far fewer by miles and miles are preparing for what comes after digital. And that may prove very unfortunate.

Quantum computing is not a faster version of today's technology. It is a fundamentally different way of solving problems and one that could likely reshape business across finance, pharmaceuticals, energy, cybersecurity, logistics and advanced manufacturing. In other words, most of the industries that currently believe they have this handled.

According to theoretical physicist Michio Kaku and most everyone else who understands this, we are approaching the limits of classical computing at remarkable speed. That means that the next time you hear someone banging on about "Moore's Law" you can just laugh and walk of with a smug grin on your face.

The exponential curve that powered the modern economy is flattening as physics itself begins to intervene. Transistors are approaching atomic scale and at that level, certainty starts to misbehave. Electrons leak. Stability becomes harder to maintain and everything you think you might know about what built the digital world goes up in smoke, and in the new era of Quantum it won't just go away or carry on, simply because quarterly targets would prefer it to.

"The architecture that built the digital world cannot continue indefinitely. Quantum computing does not improve the rules. It changes them entirely."

Instead of processing one possibility at a time, quantum machines evaluate many possibilities simultaneously. Problems once considered computationally impractical or boarder line impossible like molecular simulation, ultra-complex optimisation, simulation of next-generation materials, cryptographic resilience, synthesising molecular structures and the potential to dynamically simulate new universes are moving from theoretical curiosity toward strategic inevitability. And for CXOs, this is going to be interesting to say the least.

Board questions on strategic positioning

1. Which of our core competitive advantages depend on computation limits that quantum will eventually remove?

   
   

2. Optimisation, pricing models, logistics, discovery pipelines; if your edge relies on being faster at something classical, that edge has a shelf life. What next?

   
   

3. Are our competitors or sector disruptors building quantum literacy ahead of us, and do we have visibility of that?

   
   

4. The organisations that will be disrupted rarely see it in the competitive intelligence reports they commission from the same sources as last time.

   
   

5. Where in our value chain would quantum-enabled simulation or optimisation create the most significant economic shift?

   
   

6. Where would it actually change unit economics, speed of discovery, or structural cost? Not just where it sounds impressive.

The curiosity that began with Einstein

Kaku's fascination with physics began not in a laboratory, but in childhood wonder. At eight years old, aside from building a working particle accelerator in his parents garage, at 8 years old! He also read that Albert Einstein had died leaving behind an unfinished manuscript with an attempt at a theory of everything. The idea being in principle that a single equation could describe the fundamental forces governing the entire universe was irresistible.

What kind of insight could be so profound that even Einstein could not complete it? That question shaped Kaku's career and today he is one of the most recognisable voices in theoretical physics and a leading advocate of string theory, one of the most ambitious attempts to unify nature's forces into a single mathematical description.

The mathematics involved is extraordinarily complex. Solving these equations may require computational power far beyond the reach of classical machines. That is one reason Kaku became deeply interested in quantum computing because the search for the ultimate equation will require the ultimate computer. These machines compute directly on to the surface of an atom, it's mind boggling technology and the applications are beyond knowing.

From bits to qubits: computing across possibilities

Traditional computers operate using bits, these are sequential numbers consisting of zero's and one's. Quantum computers use qubits, which are effectively code written on to the surface of atoms which can exist in multiple states simultaneously through a phenomenon known as superposition. In practical terms, this means a quantum computer can explore many variables in multiple states, and when we say many, we mean basically every possible connotation of an idea and all possible solutions at once, no need for the pedestrian testing of each possibility sequentially. This is fabric of the universe level stuff.

Kaku often uses simple analogies to explain the difference. A classical computer works like a room of accountants passing calculations from one person to the next, how exciting, all those accountants! A quantum computer allows all of them to work at the same time in unison and instantly answer pretty much any question instantly. A question that would take 100,000 years in the digital age to compute will take less than a second. Genuinely, fabric of the universe stuff!

Richard Feynman arguably the most intelligent mind in recent history recognised this long before quantum became a boardroom curiosity. His insight was straightforward: if nature is quantum mechanical, then simulating nature accurately on classical machines becomes extraordinarily difficult. To understand reality more precisely, we may need computers that operate according to the same rules as reality itself. Which is, admittedly, a slightly larger upgrade than a software patch. He also notes ironically that anyone claiming to fully understand Quantum Mechanics does not understand Quantum Mechanics. Oh dear.

Board questions on talent & capability

1. Do we have anyone in this organisation with sufficient quantum literacy to evaluate claims, assess partnerships and advise the board credibly? Not to build a quantum computer but to distinguish genuine strategic application from vendor confusion. These are different requirements, and both matter.

   
   

2. How are we building quantum awareness into leadership development for the next generation of CXOs we are growing?

   
   

3. The executives who will be making the consequential quantum decisions are already inside most organisations. The question is whether they are being prepared for that responsibility?

   
   

4. What is our talent strategy for quantum-adjacent skills and are we competing for that talent, or assuming it will arrive when we need it?

   
   

5. Quantum computing talent is currently concentrated in a small number of institutions, countries and companies. Access to it is a strategic decision, not a recruitment exercise. Are we prepared for the time, cost and risk associated with the investment and when do we make it?

A technological revolution with real consequences

Quantum computing is not simply about faster calculations. It is about solving problems previously considered impossible. Frankly they are impossible in the most part.

Drug discovery today relies largely on trial and error and testing large numbers of compounds at considerable cost and time. Quantum simulation could allow researchers to model molecular interactions directly, identifying promising treatments far more efficiently. Diseases such as cancer, Alzheimer's and Parkinson's could one day be modelled at molecular resolution inside a machine. This is just not possible with digital.

Energy represents another frontier. Nuclear fusion promises abundant clean energy from hydrogen in seawater, yet stabilising fusion reactions remains extraordinarily difficult. Quantum computing may help simulate atomic interactions with sufficient precision to make fusion commercially viable which would be considerably more useful than another app that helps people track their hydration. Just saying.

Cybersecurity is where the implications become immediately strategic and terrifying for the risk team and the already strung out CISO. Much of modern encryption depends on mathematical problems that are extremely difficult for classical computers to solve. Quantum computers could, in principle, solve some of these problems dramatically faster. Financial systems, national security infrastructure and private communications may all require redesign in a post-quantum world as ultimately even the most advanced cryptography will be a simple calculation for Quantum machines. The implications here speak for themselves.

"Every major technological shift redistributes advantage. Some organisations recognise the signs early. Others experience it only when disruption arrives dressed as an earnings problem."

Board questions on risk and regulatory exposure

1. What percentage of our current encryption infrastructure would be vulnerable in a post-quantum security landscape?

   
   

2. Intelligence agencies are already operating on the assumption that certain encrypted data collected today will be decrypted later. The question is whether your organisation is thinking at the same horizon. Has it been discussed?

   
   

3. Do we have a post-quantum cryptography migration roadmap, and who owns it at executive level? If nobody can name the owner in the room, it does not have one.

   
   

4. How are our regulators and sector bodies approaching quantum risk, and are we ahead or behind that conversation? Regulatory frameworks tend to arrive after the capability, not before it. Being behind the regulator is rarely a comfortable position, commercially or reputationally.

   
   

5. What contractual, data governance and intellectual property risks does the quantum era introduce that our current legal frameworks do not cover?

   
   

6. When the tools for breaking encryption improve, the definition of secure data changes. Some of that change will arrive as legal exposure before it arrives as a technical event.

The global race for quantum advantage

Governments and corporations have recognised the strategic importance of quantum computing. Major technology companies and national research programmes are investing heavily, aware that the first organisations to achieve reliable large-scale quantum systems could gain enormous advantages in ways that are still only beginning to be understood.

Big organisations often assume scale protects them. In reality, scale can make them slower, more layered, and strangely committed to explaining why yesterday's model remains perfectly adequate. History contains several expensive examples of this thinking, and quantum computing is unlikely to be more forgiving than its predecessors.

The digital revolution rewarded those who understood networks before markets did. Artificial intelligence is rewarding those who understand data before competitors do. Quantum computing will reward those who understand complexity before it becomes obvious and those who understand the ethical responsibility that accompanies all this power.

Board questions on capital allocation and investment

1. Are we allocating any board-level attention or capital to quantum readiness, or treating it as an R&D curiosity that does not yet require executive ownership? Most transformative technologies are treated as R&D curiosities until they are not. The cost of recognising the shift late is rarely evenly distributed.

   
   

2. Are we positioned to acquire, partner or build quantum capability and have we decided which of those is appropriate for our scale and sector? All three require different timing, capital and leadership attention. Deciding too late collapses all three options into one: buy expensive, or miss it entirely.

   
   

3. How does quantum computing feature in our five to ten year scenario planning, and are those scenarios being stress-tested against realistic timelines? Scenario planning that does not include quantum capability shifts is not scenario planning. It is extrapolation of the present, dressed with confidence that history does not particularly justify.

   
   

4. What would a modest, intelligent early investment in quantum literacy partnerships, pilot programmes, academic relationships cost us, and what would ignoring it cost us later This is not an argument for large capital commitment. It is an argument for optionality. The two are different conversations and boards should not confuse them.

Alan Turing a warning from history that still stands

Technological revolutions are often celebrated as triumphs of logic and innovation. History reminds us that progress is shaped not only by intelligence, but by whether institutions are willing to recognise truth even when it challenges convention.

Turing laid the intellectual foundations of modern computing and artificial intelligence. His work helped shorten the Second World War and saved countless lives. Every digital economy today rests, in part, on his thinking.

Yet the same society that benefited from his genius prosecuted him for being different. He was chemically castrated by the British Government for being identified as a gay man, psychologically broken, and died aged 41.

Innovation moved forward. Wisdom did not move forward at the same speed. That tension still exists and quantum computing will not simply test technical capability. It will test institutional judgement, regulatory foresight and corporate responsibility.

Technologies capable of reshaping encryption, economic advantage and scientific discovery will concentrate power in new ways. Decisions made now will shape who benefits, who is left behind and who has the moral fortitude to move innovation, wisdom and ethics forward.

Board questions on ethics and institutional judgement

1. As quantum capability increases our ability to model, simulate and predict behaviour at scale, where are our ethical limits and have we defined them before we need them?

   
   

2. The institutions that benefit most from transformative capability are not always best positioned to govern it responsibly. Sometimes they are the same institutions that persecute the people who created it. How do we ensure that competitive pressure to adopt quantum capability does not outpace our ability to evaluate its ethical and societal implications?

   
   

3. Every previous technological revolution has created this pressure. The organisations that navigated it well tended to have frameworks in place before the pressure arrived, not frameworks created in response to headlines. What is our position on the concentration of quantum power and do we have a view on whether the foundations of this technology serves broad or narrow interests?

   
   

4. These are not comfortable questions. They are, however, the questions that boards of genuinely responsible organisations will eventually be asked by governments, investors and the public. Better to have considered them first. Have you?

The enduring power of curiosity

At its heart, Michio Kaku's vision is driven by a simple idea: curiosity drives progress. From Einstein's unfinished manuscript to today's quantum laboratories, the desire to understand the universe continues to shape what becomes possible.

The quantum age will demand intelligence. It will also demand wisdom, as the most powerful technology humanity has ever created will ultimately reflect the intentions, the judgement, and the blind spots of those who create it.

Quantum computing represents another step in humanity's long attempt to expand the reach of human reasoning. It may help us solve problems once considered impossible. It may reshape industries, accelerate science, and change how knowledge itself is produced but perhaps its most important lesson is this:

The future is not shaped only by what we build. It is shaped by the values we bring to what we build. To date we seem not to have learned this lesson and now it will be up to the emerging leaders of the next decade to demonstrate the ethical changes we all need to see.

Capability is accelerating. The more important question for leadership is whether judgement is keeping pace. Clear thinking is rarely dramatic. It is usually quiet, slightly unfashionable, and extremely useful. I hope this helps start that thought process.