Chief Information Officer / United States
DianaVellerton
A depot colleague once showed me a shipment history that appeared to run backwards.
216
Technology employees
Six direct reports; fifty-eight contractors separately
USD84 m
2026 authority
USD52 million operations and USD32 million change
33 years
Freight technology experience
Applications, integration and enterprise platforms
I believe
I ask which event a status represents, when it happened and what the next colleague is entitled to conclude from it.
— Diana Vellerton
The work
A June 2024 review examined 2,400 shipment histories used by our service teams. The sequence was interpretable in 1,920, while 480 needed further work. Three hundred and sixty involved delayed uploads, and 120 lacked adequate time-zone context. The enterprise view could sort every entry by arrival at the server, but that produced a confident-looking chronology which did not always describe the order of physical events. The display had confused a processing convenience with the evidence the service colleague needed. The integration sponsor proposed using received time consistently so the platform could avoid maintaining several temporal fields. Depot operations argued that this would make a late upload look like a late movement. I supported a nine-week programme costing USD1.9 million to recover usable event context and preserve uncertainty where the source could not support a precise sequence. Technology worked with the operating owners who understood the scans, rather than inventing a plausible physical history from the order in which messages happened to arrive. Four hundred and twenty of the 480 uncertain histories became interpretable. Sixty remained unresolved, leaving 2,340 usable histories and sixty explicit exceptions within the cohort. I retained the missing context in the report. The result concerned our understanding of events, not a claim that freight had moved sooner or that on-time delivery had improved. A corrected history might change how an earlier service result was interpreted, but that would need its own examination against the relevant commitment and physical evidence. The choice added complexity to the enterprise account and postponed a simpler integration rule. It also gave customer-service colleagues a more defensible explanation of what they knew. They could distinguish an information delay from a possible transport delay and identify where another operating answer was still needed. I wanted the system to make those boundaries usable in a real conversation, rather than force the colleague to explain a precise sequence whose apparent certainty came from a field chosen for technical convenience. On a similar programme I would establish the event-time and time-zone requirements before agreeing the integration contract, so uncertainty is not discovered only when a service colleague tries to explain an earlier journey.
In October 2024 we examined 1,200 electronic tenders whose dashboard used a broad accepted label. The receiving exchange had accepted 1,176 for syntax and held twenty-four for format problems. Within the 1,176 technically accepted messages, operations had confirmed 1,080 business acceptances and left ninety-six decisions pending. Those were different states. The message could be valid for processing without establishing that the operating organisation had agreed to carry out the requested work. The interface lead wanted to retain the existing label because the technical exchange was functioning as designed. Customer operations objected that colleagues could interpret it as a transport commitment and communicate accordingly. I supported six weeks of clarification and follow-up costing USD640,000. We separated the technical acknowledgement from the operating decision, exposed pending items and identified the people who could resolve them. A further physical collection state remained outside both of those measures. Eighty-four of the ninety-six pending business decisions were confirmed during the programme. Twelve remained pending, and the twenty-four format-held messages remained outside the accepted business group. The resulting account showed 1,164 confirmed business acceptances, twelve pending decisions and twenty-four format exceptions across the original 1,200. I did not describe those 1,164 acceptances as completed collections or deliveries. They represented an agreed business state whose subsequent physical execution required other evidence. The change made the dashboard less superficially simple and required the customer team to use more precise language. That was the cost of aligning the display with the decisions it was meant to support. I wanted an integration report that helped a colleague identify the next responsible owner, rather than a single green status that could mean several things depending on who read it. The technical exchange remained valuable, but its success no longer stood in for an operating commitment that the relevant team had not yet made. I would now agree the acceptance vocabulary with the operating partner before introducing the exchange, including the evidence and owner needed to move each state forward.
A March 2025 review covered 500 consignments containing 1,500 expected pieces. The customer dashboard marked each consignment complete when it received a delivered event for the first associated piece. All 500 therefore appeared complete. A piece-level examination found 420 consignments with every expected piece delivered and eighty still partial. The original aggregate had removed the distinction between useful evidence of progress and evidence that the entire consignment had reached the stated completion condition. The dashboard sponsor was concerned that changing the rule would create an apparent deterioration in service reporting and provoke questions about prior results. Operations wanted the partial group made visible so colleagues could follow up the missing work. I supported four weeks of correction costing USD420,000, including the definition, parent-to-piece relationship and explanation of the reporting change. The technology team established how the measure should be represented; operations retained responsibility for investigating and completing the physical deliveries. The corrected view showed 420 complete consignments and eighty partial ones in the same 500-consignment cohort. It did not mean that the application change had caused eighty new failures. Nor did the review establish why every remaining piece was absent or whether each case represented loss, delay or another condition. Those questions required further operating evidence. We retained the original examined scope and explained the measurement correction separately from any later movement of freight. The decision gave up a reassuring total and required a careful conversation about the earlier rule. It also made the dashboard more useful to the people expected to act on it. A service colleague could now distinguish a partially fulfilled consignment from one whose expected pieces were complete. I considered that more important than preserving continuity with an attractive but misleading historical number. The unit behind a completion measure should match the obligation under discussion, even when correcting it reveals work that a simpler aggregate had allowed the enterprise to overlook. I would test the completion definition against several multi-piece journeys before approving the next dashboard, including a partial set and an uncertain piece-to-consignment relationship.
A July 2025 offline exercise involved thirty-six handheld devices across four depots. The examination generated 7,200 submissions: 7,000 initial event records and 200 replay attempts after reconnection. Of the replays, 180 carried the same identifier and matching content as an existing event. Twenty reused an identifier with conflicting content. A receiver that simply accepted every submission would create a different problem from one that silently discarded every repeated identifier without examining the difference. The mobile-service sponsor favoured suppressing repeated identifiers to keep recovery quick and reduce the visible exception count. Depot colleagues wanted conflicts preserved because a changed payload could represent a correction or another question needing investigation. I supported eight weeks of work costing USD1.1 million to distinguish matching replays from conflicting ones and make the latter reviewable. The exercise used controlled records; it did not authorise physical dispatch or establish the safety of an operating action. The resulting account retained 7,000 canonical initial events, treated 180 matching replay attempts as no additional event and held twenty conflicting attempts for examination. I did not add the held attempts to the unique-event count or describe 7,200 submissions as 7,200 distinct physical movements. The result demonstrated the defined recovery behaviour under the exercise conditions. It was not evidence that every possible device failure or network interruption had been addressed across the whole depot estate. My choice retained an exception workflow and made the recovery report less absolute. It also preserved the evidence an operating owner needed to decide what a conflict meant. Fast reconnection is useful, but it should not depend on erasing a difference that may matter to the shipment account. I wanted the technical team to explain what it had accepted, ignored and held, with a defensible reason for each. That makes recovery a controlled transfer of evidence rather than a race to empty a queue whose contents have not all received the same interpretation. For the next device programme, I would agree how conflicting content is examined before approving the retry feature, rather than design that responsibility after reconnection behaviour has been demonstrated.
An April 2026 retrospective exercise compared arrival estimates against 900 completed deliveries. The revised model reduced median absolute prediction error from thirty-two to eighteen minutes and the ninetieth percentile from eighty-eight to seventy-one. Those were useful changes in forecast quality. The actual service result remained 540 deliveries within their original promised windows, because the journeys and commitments in the historical set had not changed when the model produced a better estimate. The analytics sponsor wanted to present the improvement as a stronger delivery-performance result and make the more precise estimate the principal customer-facing commitment. Commercial operations wanted a clearer distinction between an evolving forecast and the window already agreed. I supported a ten-week programme costing USD860,000 that improved the estimate's presentation while retaining the separately defined promise and the uncertainty around a prediction. The commercial owner remained responsible for how a future service commitment would be offered. We reported both prediction-error measures and the unchanged 540-of-900 window outcome. The examination did not prove better future results on every route, reduced operating cost or a causal improvement in freight movement. It showed how the revised model described a defined historical cohort. I also asked that users could see when an estimate changed and why it should not silently overwrite the obligation against which the actual service would later be assessed. The decision limited a more exciting programme headline and required two concepts to coexist in the service view. I considered that necessary. A sharper forecast can help an operating or customer-service colleague prepare for a likely arrival without retrospectively making a late delivery on time. Its value should be examined in the work it supports, with fresh evidence if the enterprise wants to claim an operating benefit. I wanted the investment account to recognise the useful improvement already established while preserving the distinct decision about what the business promises to do next. I would establish the proposed benefit measure with commercial operations before model tuning begins, so the evaluation can distinguish a useful prediction from a later service improvement without revisiting that question at presentation time.
Others say
Diana kept the unchanged delivery-window result beside the improved ETA measures. That made the next investment decision about a forecasting capability we had examined, rather than a transport benefit we had not demonstrated.
She made the eighty partial consignments visible without calling the reporting correction a new operating failure. Our teams could investigate the missing pieces from an account that finally described the whole commitment.
Point of view
An invitation
I would consider a board contribution, executive discussion or relevant speaking session where this experience is useful. I hold no director seat and propose twenty-four external days, subject to employer agreement, relationship assessment and the actual demands of the engagement.
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