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artist, consultant, cyclist, designer, musician, photographer, world traveller

I’m Chris Tham, an outrageous actualiser based in Sydney. I’m the founder of Hello Tham, a boutique strategy consulting company.

I am interested in short to medium term consulting opportunities relating to strategic business change, new/revised business/operating models, business process improvement, technology strategy/architecture and technology solutions.

My career has now spanned four decades and I am looking forward to entering the fifth:

  • In the first decade I started as an analyst for a fintech, and then a financial institution. I pivoted to be a systems and architecture consultant for two of the biggest computer companies in the world: AT&T/NCR and HP.
  • In the second decade I pivoted back to Banking and Finance. I established and managed successful strategy and architecture functions in several institutions including MLC, NAB and ING.
  • In the third decade I transitioned to become a strategy consultant and have delivered successful engagements to Transfield Services, Broadspectrum and Transport for NSW.
  • In the fourth decade I am working on things that interest and matter to me. I teach at Torrens University, and have continued my consulting career. I have also written a book, AI-dō.

Key Achievements

  • Flexible strategic change agent and thought leader: I have facilitated business and technology strategic change for three decades – from Head of Strategy positions at MLC, NAB and ING to delivering IT strategies, roadmaps and operating models as a consultant to Transfield Services and Transport for NSW (through my consulting company Hello Tham).
  • Successful and proven technology strategy and architecture leader: I have built successful architecture practices at organisations from MLC (where I wrote my own job description and built a practice that became a case study at international conferences) to NAB, ING and Broadspectrum. I have provided enterprise architecture advice as a consultant to Transport for NSW and currently at Cochlear.
  • Recognised technology innovator and industry expert: I have been involved in new technologies for my entire career, from early beginnings managing one of Australia’s first commercial UNIX systems at Bain & Co, which I connected to ACSnet in 1986 to make it one of the earliest non-academic organisations in the country online, to a patented service-oriented advice platform my team pioneered at MLC, to using a large language model to classify support calls in 2018, long before ChatGPT. Most recently I shaped Cochlear’s AI strategy. I teach Information Systems at Torrens University, and have written AI-dō, a book on using AI effectively.

Interested in engaging with me?

Email me at chris@christham.net or call me at +61 413 008 577.

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Timeline

Superpowers

Description

Proficiency

Level

AI-dō: the way of AI, grounded in practice

I have written a book about working with AI well. It is free to read, and it argues that the model you pick matters far less than the work you do around it.

Hello Calc: a homage to every HP calculator

I have rebuilt thirty-five HP calculators, from the 1972 HP-35 to the HP Prime, as a single web app. Not an emulator, but a reimplementation in TypeScript.

Colossal Cave Adventure, rebuilt over breakfast

Colossal Cave Adventure ported to strictly typed TypeScript over a few breakfasts, and checked against the original's own ninety-five test transcripts. Then a second model laid out the cave map the first one could not.

Blue Dream — Fiona Joy Hawkins

The first SACD released by an Australian independent artist: new age piano produced by Will Ackerman and mastered by Bob Ludwig, in a mix I wanted to be bolder.

Dreams and False Alarms — Andy Milne

Solo piano readings of Mitchell, Sting, Marley, Young and Dylan that take their time letting you work out which song you are hearing. Audition before buying.

Places You Go — Brad Shepik Trio

A trio with a Hammond B-3 where the acoustic bass should be, playing original mid-tempo numbers and ballads. Almost an hour long, and I wanted more.

Think Like the Waves — Gordon Grdina

ECM-ish contemporary jazz coloured by oud and Middle Eastern lines, with Gary Peacock and Paul Motian completing the trio, in an enveloping 5.0 mix.

Purity — T Minus 5

An a cappella collection of hymns recorded with no limiting, compression or artificial reverb — unusually clear about the voice, and unforgiving about any note that strays.

Ten at 86 — Joe McQueen and friends

An IsoMike four-channel jazz recording made with baffled microphones, at the lowest level I had met on a commercial disc, where the ambience channels matter more than I expected.

Dark Clouds — Stu Goldberg and Cassius Khan

Piano and tabla, and the rare SACD where I preferred the stereo mix — with an explanation from the producer of why the surround ambience was built the way it was.

Building a Windows MCE 2005 PC - Part 2

The build itself — case, motherboard, tuners and the quiet-running compromises a machine that lives in a living room has to make.

Chet — Chet Baker

Ballads from 1958 with Bill Evans and Kenny Burrell, where the SACD layer reveals tape dropouts and saturation that the CD layer turns into something like clipping.

A Boy Named Charlie Brown — Vince Guaraldi Trio

A 1965 television soundtrack that still sounds startlingly alive, hard-panned in the manner of early stereo, and emphatically not the kiddies’ music the cover suggests.

Panasonic DVD-S97 DVD Player Review

A review of the Panasonic DVD-S97 universal player, including its video processing and how it handles progressive output.

Putting SOA Into Perspective: Hype & Hope vs Reality

The background presentation Kate Behan gave to open an ACS branch forum on SOA in June 2005, before a panel session I sat on — reproduced from her deck, which drew on my earlier SOA talk and closed by handing the room to the panellists.

Denon DVD-3910

A review of the Denon DVD-3910 for MichaelDVD.

Denon DVD-1710

A review of the Denon DVD-1710 for MichaelDVD.

NAD T513

A review of the NAD T513 for MichaelDVD.

Dynamic Comparison SACD vs CD - Part 5

The last of the series: SACD against CD on the same titles, and a look at whether the format or the master is doing the work.

Distortion on the Denon AVC-A1SE+

A short measurement note: harmonic distortion that turned out to belong to the amplifier rather than to any of the players feeding it.

Selling web services to senior management

The case-study talk I gave in July 2004 as Head of Architecture at MLC, on the journey from hard-to-justify EAI business cases to web services and the architecture that became our SOA — given at a conference the deck does not name.

Digital TV Software

A 2004 APC Magazine roundup of four Windows programs for watching and recording digital television in Australia, reproduced from the Word file as it was sent to the magazine, editorial scaffolding and all.

Digital TV software: APC's edit

The same 2004 roundup after APC's Dan Warne had been through it, a third shorter, with a co-author added, the boxout cut and two of my mistakes fixed.

Remote controls for your HTPC

The third piece of my July 2004 APC batch, a Girder and TIRA tutorial with two boxouts, reproduced from the manuscript as it left my hands — with the draft's self-written brief and what changed between the two versions on the way to the deadline.

The ultimate Windows HTPC

The myHTPC workshop from my July 2004 APC batch, reproduced from the manuscript that went to the magazine — the piece that was commissioned at the highest rate, abandoned on day one under an XMLTV heading, and finished across one long weekend.

Denon DVD-2200

A review of the Denon DVD-2200 for MichaelDVD.

Comparing Audio Tracks on Music DVDs

Why most of my music DVDs did not sound as good as my CDs, traced through the waveforms of the same recordings in every format the discs offered.

Linn Unidisk 2.1

A review of the Linn Unidisk 2.1 for MichaelDVD.

Getting technology right for advisers

A September 2003 talk on National Wealth Management's technology for financial advisers — the shift to holistic advice, the business system behind it, and AdviserCentral.

Denon DVD-2900

A review of the Denon DVD-2900 for MichaelDVD.

The Dark Side of the Moon — Pink Floyd

The 30th Anniversary SACD ranked against a Quad LP, two earlier CD masterings and a bootleg DTS disc — seven versions of one album, each with its own sonic character.

Forget About It — Alison Krauss

Soft ballads with only hints of bluegrass, on a stereo hybrid where the SACD layer is mastered at least 3dB below the CD and the two make for genuinely different listening.

Steppin' — Christy Baron

Chesky's jazz and R&B arrangements of pop tunes, with the rolled-off top end and barely used surround channels typical of the label's multichannel discs.

Getz/Gilberto — Stan Getz and João Gilberto

The Verve single-layer SACD against a battered LP and the Master Edition CD: more presence on the saxophone and voices, and enough resolution to expose tape faults the CD had hidden.

Pioneer DV-S733A

A review of the Pioneer DV-S733A for MichaelDVD, written with Tony Rogers.

Denon DVD-3800

A review of the Denon DVD-3800 for MichaelDVD.

Denon DVD-A1

A review of the Denon DVD-A1 for MichaelDVD, written with John Lee.

Sony DVP-NS905V

A review of the Sony DVP-NS905V for MichaelDVD.

An Officer And A Gentleman

The Region 4 DVD of An Officer And A Gentleman (1981), reviewed for MichaelDVD — 4 out of 5 overall.

What Women Want

The Region 4 DVD of What Women Want (2000), reviewed for MichaelDVD — 4 out of 5 overall.

Space Cowboys

The Region 4 DVD of Space Cowboys (2000), reviewed for MichaelDVD — 4 out of 5 overall.

The Goldberg Variations

The Region 4 DVD of The Goldberg Variations (1981), reviewed for MichaelDVD — 4 out of 5 overall.

The Truman Show

The Region 4 DVD of The Truman Show (1998), reviewed for MichaelDVD — 4 out of 5 overall.

The English Patient

The Region 4 DVD of The English Patient (1996), reviewed for MichaelDVD — 5 out of 5 overall.

Grey Owl

The Region 4 DVD of Grey Owl, reviewed for MichaelDVD — 3 out of 5 overall.

Pride and Prejudice

The Region 4 DVD of Pride and Prejudice (1995), reviewed for MichaelDVD — 3 out of 5 overall.

Oasis-Familiar To Millions

The Region 4 DVD of Oasis-Familiar To Millions (2000), reviewed for MichaelDVD — 4 out of 5 overall.

Oasis ... There and Then

The Region 4 DVD of Oasis ... There and Then (1996), reviewed for MichaelDVD — 3 out of 5 overall.

The Sound of Music

The Region 4 DVD of The Sound of Music (1965), reviewed for MichaelDVD — 3.5 out of 5 overall.

My Dog Skip

The Region 4 DVD of My Dog Skip (2000), reviewed for MichaelDVD — 5 out of 5 overall.

The Cell

The Region 4 DVD of The Cell (2000), reviewed for MichaelDVD — 3.5 out of 5 overall.

James Galway - At The Waterfront

The Region 4 DVD of James Galway - At The Waterfront (1999), reviewed for MichaelDVD — 3.5 out of 5 overall.

Gossip

The Region 4 DVD of Gossip (2000), reviewed for MichaelDVD — 4 out of 5 overall.

Carole King: In Concert

The Region 4 DVD of Carole King: In Concert (1994), reviewed for MichaelDVD — 3.5 out of 5 overall.

Cube

The Region 4 DVD of Cube (1997), reviewed for MichaelDVD — 3.5 out of 5 overall.

GalaxyQuest

The Region 4 DVD of GalaxyQuest (1999), reviewed for MichaelDVD — 4 out of 5 overall.

James Bond: For Your Eyes Only

The Region 4 DVD of James Bond: For Your Eyes Only (1981), reviewed for MichaelDVD — 4 out of 5 overall.

Desperately Seeking Susan

The Region 4 DVD of Desperately Seeking Susan, reviewed for MichaelDVD — 3 out of 5 overall.

The Rocky Horror Picture Show

The Region 4 DVD of The Rocky Horror Picture Show, reviewed for MichaelDVD — 4.5 out of 5 overall.

Laurel and Hardy: The Music Box

The Region 4 DVD of Laurel and Hardy: The Music Box, reviewed for MichaelDVD — 3 out of 5 overall.

Arthur

The Region 4 DVD of Arthur, reviewed for MichaelDVD — 3 out of 5 overall.

Sting - The Brand New Day Tour

The Region 4 DVD of Sting - The Brand New Day Tour, reviewed for MichaelDVD — 3.5 out of 5 overall.

EarthScapes

The Region 4 DVD of EarthScapes, reviewed for MichaelDVD — 2 out of 5 overall.

La Bohème

The Region 4 DVD of La Bohème, reviewed for MichaelDVD — 3.5 out of 5 overall.

The Best of Wham!

The Region 4 DVD of The Best of Wham! (1997), reviewed for MichaelDVD — 2.5 out of 5 overall.

Pleasantville

The Region 4 DVD of Pleasantville, reviewed for MichaelDVD — 4.5 out of 5 overall.

I Dreamed Of Africa

The Region 4 DVD of I Dreamed Of Africa, reviewed for MichaelDVD — 3.5 out of 5 overall.

Loser

The Region 4 DVD of Loser, reviewed for MichaelDVD — 3 out of 5 overall.

Beloved

The Region 4 DVD of Beloved, reviewed for MichaelDVD — 3.5 out of 5 overall.

Peter Frampton: Live In Detroit

The Region 4 DVD of Peter Frampton: Live In Detroit, reviewed for MichaelDVD — 4.5 out of 5 overall.

Anima Mundi

The Region 4 DVD of Anima Mundi, reviewed for MichaelDVD — 2.5 out of 5 overall.

Canyon Dreams

The Region 4 DVD of Canyon Dreams, reviewed for MichaelDVD — 2.5 out of 5 overall.

Chronos

The Region 4 DVD of Chronos, reviewed for MichaelDVD — 2.5 out of 5 overall.

Electronic Commerce and the Consumer

A 1997 talk on why consumers were hesitating over online shopping, what that meant for bank delivery channels, and the privacy law Australia did not yet have.

The collapse of State Bank Victoria and Tricontinental

A 1993 assignment on how a conservative savings bank founded in 1851 lost its capital twice over through a merchant banking subsidiary — written by someone who had been working in its Treasury.

Performance Tuning for Relational Database Applications

A 1993 AUUG conference paper on finding and fixing bottlenecks in relational database applications on UNIX, with three case studies benchmarking Oracle and Informix across RAID levels and Volume Manager configurations.

Two portfolio management case studies

The Common Fund’s tactical asset allocation scheme, and how Sanford C. Bernstein turned a dividend discount model into a stock selection discipline — written for Applied Portfolio Management in 1993.

What is banking business, and when may a banker speak?

Two questions from a 1993 Finance Law and Tax assignment: how the common law and the Banking Act define carrying on banking business, and the four circumstances in which a banker may disclose a customer’s affairs.

The HP 48, and two programs I wrote for it

I have loved HP calculators all my life, and the HP 48 was the first I bought with my own hard earned money. In 1991 I taught mine the foreign exchange market and how to price a bond.

UNIX Password Encryption Considered Insecure

Our 1991 USENIX paper showing that DES-based UNIX password encryption could be brute-forced, with an ECL hardware design that encrypted a password in 6 microseconds.

Distributed Computing & Risk Management

Our 1990 SunTech Journal article on hedging the risk in an options book, and the distributed trading system we built at Optech to do it on a network of Sun workstations.

Rubato: A Music Input and Performance System

My 1987 honours thesis at the University of Sydney. A language for writing music down that reads like music rather than like code, and a system that performs it.

A 6809 board that recorded MIDI and spoke SDLC

Five of us built one microprocessor board in 1987 and submitted it for two courses at once. It bridged a synthesiser and a VAX, and it was meant to be where Rubato came out.

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