Neil Woodyer was a founder and CEO of both Leagold Mining and Endeavour Mining. He has an extensive history in the mining sector creating growth strategies, implementing financing plans, leading management teams, and creating shareholder value. In 1988, Mr. Woodyer was the founder of Endeavour Financial, a successful mining merchant banking and advisory business. In 2009, he and Frank Giustra devised Endeavour’s growth strategy and as CEO, he led Endeavour Financial’s transition from a financial company into a mine operations and development company, Endeavour Mining. Endeavour Mining grew through a series of acquisitions and new mine builds to become one of the largest gold producers in West Africa. In early 2020, after he arranged Leagold Mining’s merger with Equinox Gold, Mr. Woodyer – along with other team members – created Aris Gold (now Aris Mining) to repeat the shareholder value strategies that had previously proven successful at Endeavour Mining and Leagold Mining.

Doug Bowlby
, EVP and CFO

Doug Bowlby has experience implementing corporate growth strategies, including corporate acquisitions and successful mine construction and a wide range of corporate finance initiatives, including debt and equity capital markets financings. Mr. Bowlby was one of the founding executives of Aris Gold in 2021, Leagold Mining in 2016 (acquired by Equinox Gold), and Endeavour Mining in 2009. Prior to these roles, Mr. Bowlby was Managing Director, Research and Analysis at Endeavour Financial, a boutique investment and merchant banking company focused exclusively on the global mining industry. Mr. Bowlby is a Chartered Financial Analyst and a member of the CFA Institute.


Richard Thomas is a mining engineer with 30 years of experience in both the production and technical disciplines. He has worked in diverse areas of the mining world from Central Asia, South East Asia, Southern and West Africa. Prior to joining Aris Gold (now Aris Mining), Mr. Thomas was SVP, Operations with Leagold Mining until it merged with Equinox Gold. Previously, he was the VP Operations and EVP Technical Services for Endeavour Mining, where he was part of the team that established a mid-tier mining company in West Africa. Prior to that he held the role of VP Mining at AngloGold Ashanti for the Continental Africa Region. Mr. Thomas has worked as a mining consultant in a Johannesburg based company and held a directorship for four years in the same company.

Tyron Breytenbach
, SVP, Capital Markets

Tyron Breytenbach is a former equity analyst at Cormark Securities and Stifel Canada where he interacted extensively with the international investment community. Prior to joining Aris Gold (now Aris Mining) in 2022, Mr. Breytenbach was a Senior Partner and Managing Director in the investment banking group at Canada’s largest employee-owned dealer. Prior to entering capital markets, Mr. Breytenbach spent a decade in the mining industry as a geologist where he focused on orogenic and epithermal gold deposits and specialized in resource estimation. Mr. Breytenbach holds a BSc (Honours) Degree from Rand Afrikaans University in South Africa and is a designated P.Geo in Ontario.

Pamela De Mark
, SVP, Geology and Exploration

Pamela De Mark is a mining geologist with 30 years of experience in mine production, consulting, management, and finance in the Americas, Australia, Africa, and Europe. Prior to joining Aris Gold (now Aris Mining), Ms De Mark was Senior Vice President, Mining Finance with Macquarie Group in Toronto, providing capital solutions to the junior mining sector. Previously she was Director of Mineral Resources with Pan American Silver. Ms De Mark holds a Bachelor of Applied Science in Applied Geology from the University of Technology, Sydney. She is a Professional Geologist registered with Engineers and Geoscientists British Columbia and leads the Company’s mineral resource and reserve estimates, technical studies, due diligence reviews, and technical public disclosure.

Alejandro Jimenez
, Country Manager, Colombia

Mr. Jimenez has over 15 years of experience in environmental, social, government legal, and corporate affairs in the resource industry. Prior to joining Aris Mining in 2023, Mr. Jimenez held the roles of Corporate Counsel, Corporate Social Responsibility Manager, Senior Corporate Sustainability Manager and Corporate Affairs Director at Frontera Energy Corp., (Pacific Rubiales Energy Corp.,). In 2019, he became Partner at AVENTTUS SAS, a Corporate Affairs and ESG management firm in Colombia. From 2020 to 2021, Mr. Jimenez served as International Affairs Director at the Colombian Attorney General’s Office in Colombia. Mr. Jimenez is a Lawyer from the University of Los Andes and holds a Master of Laws (LL.M) from the same institution and a Master in Business Administration (MBA) from Georgetown University – McDonough School of Business, in Washington, D.C.

Giovanna Romero
, SVP, Corporate Affairs and Sustainability

Giovanna Romero has more than 20 years of experience in corporate affairs and sustainability in the resource sector. She has worked both in public and private companies successfully executing ESG strategies that help maintain the social license to operate. Prior to joining Aris Mining in 2022, Ms. Romero worked at the Cerrejón mine as the Social Dialogue Manager, and has also held the roles of Corporate Affairs Director and Social Responsibility and Sustainability Manager at Frontera Energy – Pacific Exploration and Production, Social Responsibility Manager at C&C Energy and has also worked as a consultant for social, communications, and government engagement. Ms. Romero is a lawyer with a Masters degree in Social Responsibility from the University of Barcelona.

Ashley Baker
, General Counsel and Corporate Secretary

Ashley Baker has experience advising public and private companies with the execution of their growth strategy through mergers and acquisitions, and finance initiatives through debt and equity financings. Ms. Baker was called to the British Columbia Bar in 2010 and prior to joining Aris Gold (now Aris Mining) in 2020, Ms. Baker was Vice President, Legal at Leagold Mining until it merged with Equinox Gold. She previously practiced law at Blake, Cassels & Graydon LLP in the Securities practice group where she gained extensive experience representing publicly listed mining companies with their mergers and acquisitions, corporate finance, and governance needs. Ms. Baker earned her LLB at the University of Alberta and also holds a Bachelor of Human Kinetics and Master of Science from UBC.

Robert Eckford
, Head of Finance

Robert Eckford is a Certified Professional Accountant with over 12 years of experience in finance, accounting, commercial management, and mergers and acquisitions with international mining companies including Barrick Gold, Yamana Gold and Leagold Mining. Prior to joining Aris Gold (now Aris Mining) in 2020, Mr. Eckford was Controller at Leagold Mining until it merged with Equinox Gold. Over the past several years, Mr. Eckford has served in progressively senior finance roles in Australia, Africa and North America managing financial planning, risk and reporting, sales, and treasury. Mr. Eckford previously spent six years with EY in the audit and assurance group. He holds CPA and CA designations, Bachelor of Commerce (Accounting and Finance) and a Masters of Science (Mineral Economics).