Good Product Manager and Bad Product Manager by Ben Horowitz

Originally written by Ben Horowitz in 1998 of a16z fame, this article still holds true. Republishing it here, so I can re-read whenever there seems to be a need for it.

CEO of the product

A good product manager acts like and is viewed as CEO of the product. 
CEOs drive vision and are ultimately responsible for their company's success or failure. The same is true with a good product manager in relation to their product. Good product managers have a realistic vision of what success of their product means and they ensure that this vision becomes reality - whatever it takes. Good product managers are viewed by the entire product team as the leader of the product.

Bad product managers think of themselves as marketing resources. 
Bad product managers define their role narrowly as a marketing resource: someone who writes datasheets, arranges press releases, gets customer feedback, etc. Bad product managers get all of their time sucked up by the various organizations they work with, they take product team minutes, they are gophers for engineering.

Bad product managers have lots of excuses: not enough funding, the engineering manager is an idiot, Microsoft has 10 times as many engineers working on it, I'm overworked, I don't get enough direction. Once bad product managers fail, they point out that they predicted they would fail. Barksdale doesn't make these kinds of excuses and neither should the CEO of a product.

Good product managers balance all important factors

Good PMs take all important factors into consideration. As CEO of the product, the product manager must understand and balance a wide variety of factors that affect product strategy and execution.

The primary factors to balance include:

• Company goals & capabilities
Good product managers understand (or seek guidance on) overall company goals and set product strategy in that context. 

Good product managers also understand the capabilities and limitations of their overall company. For example, a good product manager knows if their company wants to maximize per deal revenues through a high-end direct salesforce to a few hundred customers OR if the company wants to maximize customers with an easy-to-use product for hundreds of thousands of customers through a diverse reseller channel. 

A good product manager also knows approximately how much and what kind of marketing resources the company will spend on these products. Good product managers don't always know the answer to these questions, but they know enough to ask when they don't.

• Customer demand
Good product managers listen to customers but they probe
deeper into the underlying problems to get at the compelling value proposition for the customer. If you had a noisy car you might ask for a louder stereo, but you would probably be a lot happier with a quieter car. A good product manager gets at that difference. Good product managers also know what customers can & will pay for (sometimes that's slightly different than what they want).

Good product managers do quantitative research.

Good product managers are certain that if they build a certain
product, customers will buy it. Good product managers understand that if they screw this up, they might as well pack it in so they go the extra mile to make sure they get this right.

• Competition
Good product managers understand the architectural and business capabilities of the competition and know where the competitors can go easily and can't go at all. Good product managers know they must be better or different or they're dead. 

Note "different" can mean things other than product differences, like integration or distribution..

Know what you know and what you don't know. 
A good product manager is acutely aware of what they know and why they know it, as well as what they don't know. 

A good product manager understands the difference between opinions, hunches, and objective facts. A good product manager knows that their job is to fill in these gaps in knowledge, not to defend or obfuscate them. 

A good product manager doesn't ruin their credibility by over-stating their knowledge. Note: Tim Howes contributed the word "obfuscate," so don't blame marketing for that.

Think ahead and monitor your assumptions.

Note all these factors need to be considered both now and over the lifetime of the product. That is usually 1 - 2 years from now.

Good product managers also know what their important assumptions are and they monitor them from time to time to make sure they still hold. For example, if a server product's success assumed dominant client marketshare, the product plan should be re-evaluated as soon that assumption is threatened.

Good product managers will actively confirm their understanding with their managers and others on their team.

Bad product managers miss the big picture or miss small but important factors. 
Bad product managers build a good product for a market their company isn't in. 
Bad product managers build a product that's too complex for their company to sell. 
Bad product managers build a product that will take too long to pay off. 
Bad product managers ask customers leading questions and get biased answers. 
Bad product managers go on their instinct and "confirm" it with two unusual customers. 
Bad product managers react only to the moves of their competitors and forget to develop their own product's identity, letting it be just a hodge podge of what the competition is not doing. 
Bad product managers aren't savvy or confident enough to distinguish between interest and commitment to buy. 
Bad product managers blindly listen to the loudest customers, and define a product that addresses yesterday's needs of a handful of companies. 
Bad product managers compare future products to today's competition, or cite advantages customers don't care about. 
Bad product managers try to defend their lack of knowledge rather than gain the knowledge. 
Bad product managers have blinders on and don't notice when things change and notice only when their product fails.

Clear, written communication with product development

Good product managers clearly define product requirements -- in writing
One of the most important - if not the most important - job for a product manager is to define clearly and in as much detail as is necessary what the product should do, how fast it should be, etc. 
Good product managers don't forget to specify critical information.
Good product managers err on the side of clarity and are willing to explain the obvious to make sure it's understood. 
Good product managers also specify the whole product, including release criteria, platforms, etc., not only the new features. 
Good product managers also sense and tackle hard issues - in writing - early in the development process.

Note a good product definition does not come down from a product manager in an ivory tower, but is based on research, information and a logical, transparent thought process that the entire team buys into.

Good product managers know that engineers are scientists by nature and value data much more than opinion. Also, engineering and other parts of PD (QA, Doc, etc.) should be involved in that process.

Good product managers define a clear product vision and target that empowers engineering to fill in the details that are difficult to specify or anticipate. 

As part of this, good product managers also explain why engineering should build a particular product a particular way. A good product manager will not ask for a two ton collection of certain parts that will look a certain way and hope it comes out as a Porsche.
A good test of a product manager is for someone outside the product team to ask 5 different people in engineering, QA, and doc what their product is supposed to do and why and get the same answer.

Good product managers are respected by their engineering teams. Engineering teams involve good product managers in difficult decisions.

Good product managers gather information from engineering informally and verbally, but good product managers give direction in writing to engineering.
Written communication to engineering is superior because it is more consistent across an entire product team, it is more lasting, it raises accountability.

Good product managers attend product team meetings regularly and make sure they're around when engineering is making tradeoffs.

Good product managers think their Product Requirements Document (PRD) is a big deal. 
The PRD is the single most important document the product manager maintains and in most cases should be the definitive source of direction from marketing to engineering (see Writing a Good PRD).
Good product managers keep PRDs up-to-date daily or weekly at a minimum. 
Good product managers view the entire PRD process as a living ongoing process, because it is (engineering has new questions, market conditions change, etc.). If anything changes in the PRD, a good product manager communicates the change clearly to the entire product team.
Good product managers don't rest until they are sure that the product vision is consistent across product management, engineering, QA, tech pubs, and support and is reflected in the PRD. 
They don't rest, because they know that no great product ever emerged from a broad set of conflicting visions.

Bad product managers cut corners on communication with engineering or misunderstand their role. 
Bad product managers specify the how not the what. They want light and ask for a candle when their engineers could have built a light bulb. Bad product managers have a bad feeling about an aspect of the product but leave it murky. Bad product managers worry about specifying every feature in detail thinking they know more about how to solve a problem or how the product should behave or be architected. Bad product managers put off hard decisions until the end of the product cycle. Bad product managers write a PRD and assume engineering understands it. Bad product managers don't have time to update their PRD. Bad product managers update the PRD and don't tell anyone, or don't tell enough people, or don't explain why. Bad PMs change engineering priorities based on the latest customer feedback or latest hot sales situation without going through the defined process. Bad PMs ignore engineering requests or calls.

Clear goals and advantages

Good product managers have clear goals. 
Good product managers are absolutely committed to success. Good product managers define success as achieving explicit goals. Goals that are important are written down. Good product managers have written goals for their product and for their own personal objectives.

Good product managers know the advantages of their product cold. 
Good product managers know how their product will be better / different than the competition. This comprises a key part of the overall product vision from day one and is reflected in most things the product manager does. Good product managers have these advantages written down and are consistent.

Bad product managers. Bad product managers have mushy goals and mushy product advantages. Bad product managers hesitate when asked for the advantages of their product. Bad product managers have inconsistent product positioning and advantages change from time to time.

Focus on the sales force and customers

Good product managers are loved by the salesforce. 
A good product manager will be known personally or by reputation by at least half the salesforce. Good product managers know that salespeople have a choice of products to sell and, at a higher level, companies to work for, and selling a particular product manager's product is optional. Good product managers know that if the sales force doesn't like their product, they will
fail. Good product managers know that to win over the sales force they have to be some combination of:

Focused on making them money -- good product managers focus on and understand that salespeople are under a lot of pressure to make their quota, this quarter, and that's about it. Good product managers understand most salespeople care about things in that context and not much else, so they put things in that context without making the salesreps make a lot of intellectual leaps. "Bell Atlantic paid $3m for directory because of abc feature" not "abc allows referential integrity to be maintained across entries."
Knowledgeable of what actually happens in the field -- nothing turns off a salesperson more than a product manager who rambles on about their product features and seems to have no idea of the salesperson's actual situation. Good product managers know if the salesperson understands what the product does or not (and if not they start with easy to understand basics), if customers do (if not they explain more why a customer would care than what the product does), etc. Good product managers speak from experience. "When I helped Bob close this deal..."

o Around -- they've been out in the field, been to sales training, been to SE training, been to pitches, etc.
o A good presenter o Responsive
o Fun
Good product managers know and understand customers. Good product managers know a handful of current and potential customers personally. Good product managers understand the exact dynamics of real customer situations. Good product managers leverage this knowledge with engineering, other customers, the salesforce, press and analysts, etc.
Bad PMs don't have time for the salesforce or customers. Bad product managers focus on their product and competitors and aren't sure what's going on in the field. Bad product managers delegate working with sales. Salespeople have either never heard of or dislike bad product managers. Bad product managers are boring presenters. Bad product managers talk about how future products will be great, but the current products are weak. Bad product managers don't care about individual customers.
Key skillsMarketing & communication
o Product management requires an understanding of and proficiency in though not
deep expertise of a wide array of marketing functions. For example, good product managers should be able to work effectively with PR and press and analysts, understand how to execute a product launch, develop collateral, staff a tradeshow, train the salesforce, etc. (See Working with Press and Analysts.)
o A core rule of good marketing is to have clearly articulated advantages that are consistent across materials (ideally from the PRD to customers to sales, etc.). Related to this is the importance of creating leveragable collateral, FAQs, presentations, white papers. In particular, a product manager should make sure a core set of updated collateral exists (annotated presentation, written positioning, primary silver bullets). If your primary competitor is abc and the most recent competitive positioning on abs is nine months old and refers to the last release of their product, this is indicative of a bad product manager. Also, good product managers take competition into account in developing their messages, but are not a slave to what the competition does.
• Time management and sense of what's important
o Good product managers focus their time in two areas: 1) tasks that are critical to
their product success (e.g., export approval, mandatory licensing arrangements);
2) tasks that have a high impact on their business (closing big deals, updating their PRD, etc.). Good product managers also leverage their time by completing FAQs, having a standard annotated presentation, doing good training, etc.
o Bad product managers put out fires all day. Bad product managers complain that they spend all day answering questions for the sales force and are swamped yet don't create FAQs or other leveragable collateral.
• Discipline
o A lot of product management is ad hoc. Good product managers respect a base
level of discipline and organization in their work.
  Good product managers keep their project up-to-date in Signposts.
  Good product managers send their status reports in on time every week,
because they are disciplined. Bad product managers forget to send in
their status reports on time, because they don't value discipline.
  Good product managers don't over-promise. Good product managers
keep developers doing product development. They don't offer engineering resources for things that can and should be handled by sales or marketing.
Really good product manager
• Really good product managers demonstrate group product manager skills and capabilities while they are product managers. (See Good Group Product Manager / Dead Group Product Manager.) These skills include:
o Be paranoid. Really paranoid.
o Work well with executives.
o Leverage the entire organization.
o Use whatever intensity is required to close critical issues.

August 18, 2020

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