For information-systems managers seeking professional community and leadership resources, which association is most appropriate to join?

Introduction / Context:
Information-systems (IS) and IT managers benefit from professional associations that focus on leadership, governance, strategy, and peer networking. Selecting the right association enhances professional development and access to managerial best practices.

Given Data / Assumptions:

• The target audience is IS/IT managers (not necessarily researchers or engineers).
• Desired resources include executive roundtables, governance frameworks, and CIO-level networking.
• We compare several well-known organizations.

Concept / Approach:
The Society for Information Management (SIM) focuses specifically on IT leadership and management. While ACM and IEEE are excellent for computing research and engineering standards, SIM caters to managerial roles, strategy, and executive education in IT.

Step-by-Step Solution:

Verification / Alternative check:
SIM’s programs emphasize CIO forums, leadership development, and IT governance—matching IS-manager needs better than primarily technical societies.

Why Other Options Are Wrong:

• ACM/IEEE: superb for technical research and standards, but less focused on managerial practice.
• ASA: unrelated to IS management in this context.
• None of the above: incorrect because SIM fits precisely.

Common Pitfalls:
Assuming technical prestige equals managerial relevance; managers need governance and leadership communities more than research venues.

Final Answer:
SIM