Military precision, human judgement and AI at scale

Dexter Koh believes that people do not struggle because they lack financial decision intelligence. They struggle because they lack the tools and frameworks to act on it. He also believes that the future of wealth management is not a choice between human advisers and technology.

It is a combination of both. Structured intelligence operates continuously, and trusted human judgement becomes more valuable when the noise is removed.

His journey from intelligence analysis in the Singapore Armed Forces to building an integrated wealth-guidance ecosystem in the Lion City follows a simple conviction. Better financial decisions create better lives. That conviction is the engine behind Financial Decision Intelligence™, the framework connecting every part of what Koh has built.

Today, that conviction connects education at his Financial Coaching Academy with real-life implementation at Alpha Private Wealth Advisory. Koh founded the firm in 2019.

Through financial literacy programmes, coaching and experiential learning, the Academy equips people with the knowledge, frameworks and confidence to understand financial trade-offs.

Alpha Private Wealth Advisory carries those principles into practice. Using the Total Portfolio Advisory™ approach, the firm’s advisers translate what clients have learned into co-ordinated action.

In practice, this means integrating cash flow, investments, protection, liabilities, estate planning and changing life goals within one financial strategy they review continuously.

The Academy builds financial capability; Alpha Private Wealth Advisory provides professional execution, monitoring and accountability.

Finding his natural frequency

Like every Singaporean male, Koh went straight from high school into national service. He impressed enough at Officer Cadet School to be offered a military scholarship, and with it, a decision he admits he did not examine closely enough at the time.

“After high school, you’re supposed to select what degree you want to do,” he says. “I did double maths, physics and economics, so naturally I thought engineering would be an easier subject for me, just to get a degree, because after that I thought I’d be heading back to the Ministry of Defence to continue my career. Most of us, at 18 or 19, didn’t really think too much about what we wanted to do.”

Engineering proved to be one of his biggest regrets. Koh found himself drawn less to the lecture halls of his own faculty than to the energy of the business school. The experience left what he calls a “chip on my shoulder”: a lingering sense that finance and business might have been a better fit.

The pivot to private banking

Almost a decade later, he acted on that instinct. He transitioned out of full-time military service, completed an MBA, graduating in the top few of his cohort, and moved into management consulting. Private banking beckoned. Friends in the industry told him that his interests (golf, wine, watches and the easy sociability around them) made him well suited to life as a relationship manager. “For me, it was a natural frequency,” he says.

The phrase became more than a description of his interests. It became a philosophy for building a career: find the work that fits your instincts and convictions so closely that you stop competing on someone else’s terms. “Once you’re in it, you’re not doing what others are doing,” Dexter says. “You create your own blue-ocean strategy, out of passion.”

The gap between products and advice

When a private-bank offer finally arrived, Koh hesitated. With no direct industry experience, he would have had to begin as an assistant relationship manager, supporting transactions without certainty of advancement.

More importantly, he was troubled by the tension between representing a financial institution and representing a client’s best interests, especially when commercial pressure centred on particular products.

He began studying the premium-to-mass-affluent advisory market instead. What he found in Singapore was a sophisticated financial centre with no shortage of products, yet too little integrated planning. “I got the shock of my life,” he recalls. “Where is the wealth planning? Where is the financial advisory? It was all products.”

“The industry was not short of products. It was short of advice.”

Too often, goals were handled one at a time and financial decisions were separated into product categories. Clients with several competing priorities were told to narrow the list, rather than given a way to see the trade-offs across their entire financial lives.

To Koh, that approach missed the point. He believed real advice had to connect investments, protection, liabilities, liquidity and life goals, and keep those elements aligned as circumstances changed. That gap between products and genuine advice would become the problem Financial Decision Intelligence™ was built to solve.

Planning for multiple futures

The solution drew directly on his experience in military fieldcraft. Military planning, he says, does not rest on the belief that one forecast will be correct: it begins with an objective, tests assumptions against multiple scenarios, prepares contingencies and updates the plan as new information arrives. Discipline matters, but so does adaptability.

“In the military, it’s all about having a plan, but the plan is always subject to change,” Koh says. “You have a plan, you stress-test it, you implement it, and you know there’s a need for regular updating, regular tracking. I implemented the same framework into financial advisory.”

That thinking became Total Portfolio Advisory™: a structured methodology for aligning the moving parts of a client’s financial life, supported by disciplined asset allocation and a regular cadence of review. Making the approach teachable was as important as designing it.

Koh built modular training, case studies and portfolio templates so advisers could learn not only what to recommend, but how to reason through a client’s complete situation.

Adoption has not always been easy: integrated advice takes time, training and a willingness to move beyond familiar product-led habits. Yet that difficulty reinforced his view that a methodology alone would not be enough to transform the market.

From a methodology to Financial Decision Intelligence™

Over time, Koh’s thinking expanded beyond portfolio construction. Financial outcomes are shaped not by a single plan, but by hundreds of decisions made over many years, under uncertainty, emotional pressure and imperfect information. That broader insight evolved into Financial Decision Intelligence™.

The framework brings together systematic planning, behavioural insight, scenario simulation and technology-assisted decision support. Its purpose is not to predict the future or prescribe a single perfect answer: it is to help people recognise trade-offs, test alternatives and make better choices consistently as their lives change.

This shifts the role of the adviser as well. “Rather than acting mainly as a distributor or occasional problem-solver, the adviser becomes a trusted decision partner, someone who helps clients interpret complexity, stay accountable and connect financial choices to the life they are trying to build,” he says.

Building an ecosystem for better decisions

Alpha Private Wealth Advisory provides the advisory foundation. Financial Coaching Academy extends the methodology through structured learning and adviser development.

The Bull or Bear (B.O.B.) Game, a Singapore-themed financial board game, turns financial concepts into decisions that participants can experience, discuss and learn from. This makes the consequences of trade-offs more tangible than a lecture alone can achieve.

Education has always been a natural extension of his work. Koh has taught corporate finance and financial management as an adjunct faculty member at the Singapore University of Social Sciences.

He links that role to his earlier responsibility for training and transformation in the army. “I’ve always enjoyed teaching and moulding the future generations of leaders,” he says. “I really enjoy imparting practical knowledge and experience to the future leaders of Singapore.”

The goal is to reach people long before they become private-wealth clients: give them a better mental model for money, then help them apply it when the stakes are real.

SimplyWealth.ai: the technology layer

SimplyWealth.ai is the technology layer intended to bring Financial Decision Intelligence™ to scale. He envisions not a robo-adviser that reduces a person to a risk score and a model portfolio, but a continuous wealth intelligence platform designed to organise fragmented information, automate repetitive data gathering, incorporate relevant changes and prepare a decision-ready picture for both client and adviser.

SimplyWealth.ai is the newest part of Koh’s ecosystem, and it does not yet have the multi-year track record that Alpha Private Wealth Advisory or the Academy can point to.

In that model, AI does not replace judgement. Rather, it handles the work that machines do consistently, monitoring, structuring, simulating and prompting, so advisers can spend more time on interpretation, coaching, accountability and difficult life conversations.

“With tech, you can professionalise and lower the cost of advice. That’s where the future is: quality advice at a fraction of the cost.”

Conventional digital investment services typically address only a narrow part of a household’s financial life. SimplyWealth.ai is intended to support a broader, continuously updated view, one that connects portfolios with protection, cash flow, liabilities, goals and changing priorities.

Technology becomes the connective tissue across Koh’s ecosystem, translating a rigorous advisory method into guidance that can reach more people without stripping out the human relationship.

A decision partner for life

For all the emphasis on scale, the model remains rooted in trust. Koh still values the promise he made to the clients who began with him.

“No matter how high up I move, I will always retain you as my clients. I’m not going to move you around like chess pieces.” It is a small statement with large implications. Continuity is part of the responsibility of advice, not just a service feature.

His military identity has never disappeared, either. After serving as a battalion commanding officer, he continued in senior reserve responsibilities. These included a posting as chief of staff of an active armoured brigade. The habits remain visible: prepare thoroughly, test the plan, act decisively and keep adapting when reality changes.

At home, the boundaries are more human. Koh protects Fridays and weekends for his wife and three children. Even so, his advisers know where to find him in that time: usually waiting outside a music class or basketball practice, fitting one conversation into the waiting time with characteristic efficiency.

It brings his ideas back to everyday life. Wealth is not an abstract score, and advice is not merely a portfolio recommendation; every financial decision sits inside a life already in motion.

Koh’s bigger-picture project, spanning Total Portfolio Advisory™, Financial Decision Intelligence™, Financial Coaching Academy, the BOB Game and SimplyWealth.ai, is to help people make sense of that motion with greater clarity. Better decisions today, he believes, create better possibilities tomorrow.