Numa Expands Engineering Team

Press Release from Numa

Thompson, Connecticut USA

Numa, the world’s leading designer of DTH hammers and bits, has recently expanded its engineering group with the addition of Ross Douglas. The addition of Ross will further bolster the company’s research and development initiatives in order to advance drilling technologies for the future.

Ross comes to Numa with a background in mechanical design engineering across multiple verticals including technology, aerospace, and surgical instruments. He is experienced in program, project, and design engineering management; due diligence and feasibility studies; rapid prototyping; test validation; and is a Six Sigma Green Belt.

Previous to Numa, Ross was at EMC Corporation where he led programs and prototype methods for the design and development of hardware products and peripherals. He brings to the company broad experience in the form of tailoring products to customer needs, gaining insight into materials, and identifying new techniques and processes. During his career, he has published in excess of 120 formal packages starting at concept and ending at proven, worldwide production of released design.

“Numa has been and always will be at the forefront of advancing DTH technology. With over 100 hammer and bit products already designed and with more in R&D, we continue to deliver the performance-driven products drillers require,” said Numa President, Ralph Leonard. “The addition of a talent like Ross to our engineering team further reinforces our position as the world’s leader in drilling technology.”


Numa is the world’s leading designer of rock drilling equipment with over 100 DTH Hammer and Bit products serving 11 different industries. Our products are capable of drilling vertical, horizontal, and reverse circulation holes from 3½ to 48 inches (89 – 1219 mm) in diameter and are used in 105+ countries. We have built our customer-centric reputation on providing the highest value in products, performance and personal service available in the rock drilling marketplace. Learn more about Numa here.

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