diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 7c5fbf8c..53770929 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,20 +1,20 @@
-# Documentation owners and reviewers
-doc/        @Maria1Petrova @bdmoore1 @ranukund
-*.md        @Maria1Petrova
-man/        @nikitaxgusev @srirajpaul
-
-# TTP files
-third-party*    @Maria1Petrova
-
-# Tests & examples
-tests/    @nikitaxgusev @srirajpaul 
-examples/    @nikitaxgusev @srirajpaul 
-
-# Infrastructure and tools
-.github/    @Maria1Petrova @nikitaxgusev
-
-# Build & dev infrastructure
-cmake/    @nikitaxgusev @srirajpaul 
-
-# C++ code
-src/    @nikitaxgusev @srirajpaul 
+# Documentation owners and reviewers
+doc/        @Maria1Petrova @ranukund @maciekpac
+*.md        @Maria1Petrova @maciekpac
+man/        @nikitaxgusev @srirajpaul @maciekpac
+
+# TTP files
+third-party*    @Maria1Petrova
+
+# Tests & examples
+tests/    @nikitaxgusev @srirajpaul
+examples/    @nikitaxgusev @srirajpaul
+
+# Infrastructure and tools
+.github/    @Maria1Petrova @nikitaxgusev
+
+# Build & dev infrastructure
+cmake/    @nikitaxgusev @srirajpaul
+
+# C++ code
+src/    @nikitaxgusev @srirajpaul
diff --git a/MAINTAINERS.md b/MAINTAINERS.md
new file mode 100644
index 00000000..cbcb0604
--- /dev/null
+++ b/MAINTAINERS.md
@@ -0,0 +1,145 @@
+# Introduction
+
+This document defines the organizational structure related to oneCCL
+development, defines the roles in the oneCCL project and includes
+the current list of oneCCL project members.
+
+# Roles and responsibilities
+
+The oneCCL project defines four main roles:
+
+- [Contributor](#contributor)
+- [Core Team Member](#core-team-member)
+- [Code Owner](#code-owner)
+- [Maintainer](#maintainer)
+
+The project is developed by the Intel Corporation core team. While we
+are open to external contributors, the roles of code owners and maintainers
+are limited to the core team.
+
+The limitations are related to technical setup of our CI system,
+quality assurance procedures and the code release process.
+
+## Contributor
+
+A Contributor invests time and resources to improve oneCCL. Anyone can become
+a Contributor by bringing value in one of the following ways:
+
+- Test pull requests and releases and report bugs.
+- Contribute code, including:
+    - Bug fixes.
+    - Features.
+    - Performance optimizations.
+- Submit a GitHub issue, including:
+    - Bug report.
+    - Feature requests.
+    - Documentation requests.
+
+Responsibilities:
+
+- Follow the [Code of Conduct](CODE_OF_CONDUCT.md).
+- Follow the project [contributing guidelines](CONTRIBUTING.md).
+
+Contributors open to long-term cooperation are encouraged
+to contact [oneccl.maintainers@intel.com](mailto:oneccl.maintainers@intel.com).
+
+## Core Team Member
+
+A Core Team Member takes care of regular project activities, such as:
+
+- Research.
+- Development.
+- Bug fixing.
+- Code maintenance.
+
+This role is reserved for employees of Intel Corporation.
+
+Responsibilities:
+
+- All responsibilities of [Contributor](#contributor).
+- Answer questions from community members.
+- Submit review and/or test pull requests.
+- Test releases and report bugs when required.
+- Contribute source code, including:
+    - Bug fixes.
+    - Features.
+    - Performance optimizations.
+- Contribute to documentation.
+- Submit internally-tracked issues.
+- Follow work agreements with Intel Corporation.
+- Follow execution commitment.
+
+Privileges:
+
+- Can approve pull requests.
+
+## Code Owner
+
+A Code Owner supervises work done in their area of responsibility.
+
+This role is reserved for employees of Intel Corporation.
+
+Responsibilities:
+
+- All responsibilities of [Core Team Member](#core-team-member)
+- Responds to and answers questions from the community relating to their
+                                                        area of ownership.
+- Continuously track their area of ownership:
+    - Observe activity and code changes in their area of expertise.
+    - Report related issues, including the need for additional:
+        - Documentation.
+        - Refactoring.
+        - Optimization.
+- Provide guidance about their area of expertise.
+
+Privileges:
+
+- Code owner's approval is required for merging pull requests.
+- Can merge approved pull requests.
+
+
+## Maintainer
+
+Maintainers are responsible for overseeing the entire project. They can:
+
+- Act as project-wide Code Owners.
+- Make strategic decisions.
+
+This role is reserved for employees of Intel Corporation.
+
+Responsibilities:
+
+- All responsibilities of [Code Owner](#code-owner)
+- Co-own with Code Owners and other Maintainers the project.
+- Determine strategy and policy for the entire project.
+- Support and guide Contributors, Core Team members and Code Owners.
+- Resolve conflicting opinions between Code Owners and/or Contributors.
+
+
+Privileges:
+
+- Can represent the project in public as a Maintainer.
+- Can approve pull requests as Code Owner for the whole project.
+- Can merge pull requests.
+    - Can override requirements and blocking reviews, if necessary.
+
+
+# Project members
+
+## Core Team
+
+@oneapi-src/oneccl-core-team
+
+## Code Owners
+
+[CODEOWNERS](.github/CODEOWNERS)
+
+## Maintainers
+
+@oneapi-src/oneccl-maintainers
+
+## Support functions
+
+### Documentation
+
+@oneapi-src/oneccl-doc-team