Company · Team

Principal engineers, geologists and product consultants who plan mines, sign reports and teach the software.

The ACALA team combines principal mining engineers with more than twenty years each in open pit and underground operations, geologists who compile and sign resource reports, and industry product consultants who implement and teach GEOVIA. Their profiles are published in full. Every one of them works on real Indonesian deposits, not demonstrations.

Selector of the three published members of the ACALA team, with role and one-line summary Join Damanik 1 of 3 · Chief Executive Officer, Principal Mining Engineer More than 20 years in mine planning, feasibility, optimisation and mineral resource and reserve evaluation; Competent Person for reserves under BNSP and KCMI.
Three disciplines: mine planning, geology, and GEOVIA product consulting. Drag the handle across the 3 items.
Mine planningStrategic and tactical plans, pit optimisation, scheduling, budgets.
GeologyModelling, resource estimation, grade control, reporting.
UndergroundDevelopment, stoping, ventilation, caving.
StudiesScoping to feasibility, due diligence, valuation.
Product consultingGEOVIA implementation and training on client data.
Competent PersonsReserves signed under BNSP and KCMI.

The team

Three people, and what each one does.

Each profile links to LinkedIn; full profiles are published where available.

Join Damanik, founder and Chief Executive Officer of ACALA

Join Damanik

Chief Executive Officer · Principal Mining Engineer

More than 20 years in mine planning, feasibility, optimisation and mineral resource and reserve evaluation; Competent Person for reserves under BNSP and KCMI.

Gladys Maheswari, Senior Geologist Consultant at ACALA

Gladys Maheswari

Senior Geologist Consultant

Geological modelling, resource estimation and reporting for exploration and operating mines.

Yoritaning Tyas, Mining Engineer and Industry Product Consultant at ACALA

Yoritaning Tyas

Mining Engineer · Industry Product Consultant

GEOVIA implementation and training: Surpac, Whittle and MineSched on client data.

How the team works

From the principal engineer to the product consultant.

A typical project has one principal engineer accountable for the answer, a geologist for the model, and a product consultant who leaves the client team able to run the software.

1Principals

Principal mining engineers

Join Damanik.

Accountable for

  • The plan, the study and the reserve: pit optimisation, design, scheduling, economics, sign-off.

Typical work

  • Feasibility studies; life-of-mine plans; underground design; due diligence.
2Geology

Geologists

Gladys Maheswari.

Accountable for

  • Geology models, resource estimates and the reports under SNI, KCMI and JORC.

Typical work

  • Resource estimation; grade control; report compilation and peer review.
3Product

Industry product consultants

Yoritaning Tyas.

Accountable for

  • GEOVIA implementation on client data and training that sticks.

Typical work

  • Surpac, Whittle and MineSched courses; workflow setup; first-line support.

Questions people ask

Team FAQ

How large is the ACALA team?
Eight named professionals on this page, plus the leadership and administration behind them, with associates brought in for specialist work.
Who leads a project?
A principal mining engineer is accountable for every study and plan, with a geologist for the model and a product consultant when software is implemented.
Are the team members Competent Persons?
Join Damanik is a Competent Person for reserves under BNSP and KCMI. Geology reports are compiled under SNI, KCMI and JORC by the geology team.
Can I see a full CV?
Four full profiles are published here. For the others, or for a formal CV in a study, ask us.
How do I join the team?
See the Job Offers page for open positions, or send a CV to office@acala.co.id.

Next step

Tell us the project. We will tell you which engineer or geologist should hear it.

A short call with the right person, then a proposal.

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